US3564164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for constructing telephone stations using flowable, adhesive hardening material; and instruments so built
Assignee: AT&T Inc
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Filing: 1968-01-25
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Granted: 1971-02-16
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Expires: 1988-01-25
Abstract
Abstract The packaging of a telephone handset or base is simplified and assembly costs reduced by using a flowable adhesive hardening substance as an interior fill. The substance, such as polyurethane foam, retains all components in desired position, firmly bonds the mating shells together so that no other fastening is needed, and with the plastic shells forms a composite structure providing the required strength, rigidity, and protection against tampering and mechanical shock.
Inventors
- 👤 Robert E Prescott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:09
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/03; B; B29; B29C; B29C49/00; B29C51/00; B29L; B29L2031/00; B29L2031/34; B29L2031/3431; B29L2031/3437
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
92 words
A method for assembling a telephone base in which a plurality of components are contained within an interior volume defined by a pair of thin-walled mating shells, said method comprising the steps of fixing temporarily the components in their desired locations within said volume; placing a measured quantity of weighty particulate matter into said volume to lend substantial added mass to said base; applying a metered quantity of flowable, adhesive, hardening substance to the remaining unoccupied space in said volume; and bringing said shells together in bonded relation along their mating edges.
Claim 2
Independent Claim
92 words
A method for assembling a telephone base in which a plurality of components are contained within an interior volume defined by a pair of thin-walled mating shells, said method comprising the steps of fixing temporarily the components in their desired locations within said volume; placing a measured quantity of weighty particulate matter into said volume to lend substantial added mass to said base; applying a metered quantity of flowable, adhesive, hardening substance to the remaining unoccupied space in said volume; and bringing said shells together in bonded relation along their mating edges.
Claim 3
Dependent Claim
86 words
A telephone base assembly comprising a shell pair matably disposed to each other forming an interior volume; components disposed in said volume comprising a switch hook, a ringer, and a glass substrate for mounting thin film integrated circuitry; means electrically connecting the named components; a measured quantity of weighty particulate matter disposed within said volume to add mass to said base; and a flowable, adhesive, hardening substance filling the remainder of said volume; said substance rigidly bonding said shells together and rigidly encasing said particulate material.
Claim 4
Dependent Claim
86 words
A telephone base assembly comprising a shell pair matably disposed to each other forming an interior volume; components disposed in said volume comprising a switch hook, a ringer, and a glass substrate for mounting thin film integrated circuitry; means electrically connecting the named components; a measured quantity of weighty particulate matter disposed within said volume to add mass to said base; and a flowable, adhesive, hardening substance filling the remainder of said volume; said substance rigidly bonding said shells together and rigidly encasing said particulate material.
Claim 5
Dependent Claim
15 words
A telephone base assembly pursuant to claim 2, wherein said particulate material is graded gravel.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |