US2731071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of securing gaskets in container closures
Assignee: OI Glass Inc
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Filing: 1955-04-12
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Granted: 1956-01-17
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Charles W Husum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:50
CPC Classifications
B; B65; B65D; B65D53/00; B65D53/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD WHICH CONSISTS IN COATING THE EXTERIOR SURFACE OF A VULCANIZED RUBBER TUBE WITH A HEAT AND PRESSURE SENSITIVE ADHESIVE, SEVERING THE TUBE INTO RING-TYPE SEALING GASKETS, PLACING ONE SUCH GASKET IN A CLOSURE SHELL WITH THE COATED SURFACE IN FIRM CONTACT WITH THAT AREA OF THE CLOSURE SURFACE TO WHICH THE GASKET IS TO BE BONDED, AND APPLYING HEAT AND PRESSURE TO THE CLOSURE SHELL AND GASKET TO THEREBY EFFECT THE BOND.
Claim 2
Independent Claim
74 words
THE METHOD WHICH CONSISTS IN COATING THE EXTERIOR SURFACE OF A VULCANIZED RUBBER TUBE WITH A HEAT AND PRESSURE SENSITIVE ADHESIVE, SEVERING THE TUBE INTO RING-TYPE SEALING GASKETS, PLACING ONE SUCH GASKET IN A CLOSURE SHELL WITH THE COATED SURFACE IN FIRM CONTACT WITH THAT AREA OF THE CLOSURE SURFACE TO WHICH THE GASKET IS TO BE BONDED, AND APPLYING HEAT AND PRESSURE TO THE CLOSURE SHELL AND GASKET TO THEREBY EFFECT THE BOND.
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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |