Patent US4665695A successfully refreshed from Google Patents.
Patent US2906657A successfully refreshed from Google Patents.
US2906657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making expansible and retractable closures
Assignee: Individual
•
Filing: 1958-06-06
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Granted: 1959-09-29
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Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Carl E Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:23
CPC Classifications
A; A47; A47G; A47G5/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1089; Y10T156/1092; Y10T156/1093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF MAKING AN EXPANSIBLE AND CONTRACTIBLE CLOSURE OF THE CHARACTER DESCRIBED COMPRISING, TEMPORARILY RETAINING A PLURALITY OF CLOSURE FORMING STRIPS OF THE SAME LENGTH AND WIDTH EVENLY IN FACE TO FACE CONTACT, APPLYING AND SECURING A SHEET OF FLEXIBLE MATERIAL TO EACH OF THE OPPOSITE EDGE SURFACE OF THE ASSEMBLY OF STRIPS WHILE SO HELD, SLITTING SAID SHEETS OF MATERIAL LENGTHWISE ALONG THE PLANES OF THE ENGAGING FACES OF THE STRIPS, ALTERNATELY AT THE OPPOSITE EDGES OF THE ASSEMBLY OF STRIPS.
Claim 2
Independent Claim
83 words
THE METHOD OF MAKING AN EXPANSIBLE AND CONTRACTIBLE CLOSURE OF THE CHARACTER DESCRIBED COMPRISING, TEMPORARILY RETAINING A PLURALITY OF CLOSURE FORMING STRIPS OF THE SAME LENGTH AND WIDTH EVENLY IN FACE TO FACE CONTACT, APPLYING AND SECURING A SHEET OF FLEXIBLE MATERIAL TO EACH OF THE OPPOSITE EDGE SURFACE OF THE ASSEMBLY OF STRIPS WHILE SO HELD, SLITTING SAID SHEETS OF MATERIAL LENGTHWISE ALONG THE PLANES OF THE ENGAGING FACES OF THE STRIPS, ALTERNATELY AT THE OPPOSITE EDGES OF THE ASSEMBLY OF STRIPS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |