Patent US5529373A successfully refreshed from Google Patents.
Patent US3158526A successfully refreshed from Google Patents.
US3158526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced gasket products
Assignee: FD FARNAM Inc
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Filing: 1961-11-20
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Granted: 1964-11-24
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Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Franklin W Farnam
- 👤 Robert G Farnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:39
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/12; F16J15/121; F16J15/122; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; F02; F02F; F02F11/00; F02F11/002; Y; Y10; Y10T; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/109; Y10T442/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A GASKET, A CALENDERED SHEET OF COMPRESSIBLE AND NORMALLY RESILIENT SHEET PACKING MATERIAL HAVING A PREDETERMINED THICKNESS AND ADAPTED THROUGHOUT A PREDETERMINED ALLOWABLE RANGE OF COMPRESSION TO RETAIN ITS NORMAL RESILIENCY, AND A WOVEN METAL WIRE SCREEN EMBEDDED SUBSTANTIALLY CENTRALLY IN SAID SHEET PACKING MATERIAL AND SPACED FROM OPPOSITE FACES OF THE SHEET PACKING MATERIAL, SAID WIRE SCREEN HAVING KNUCKLES OF PREDETERMINED THICKNESS EQUAL TO AT LEAST ONE-HALF OF SAID PREDETERMINED THICKNESS OF SAID SHEET FOR LIMITING COMPRESSION OF THE SHEET PACKING MATERIAL TO SAID ALLOWABLE RANGE, AND SAID WIRE SCREEN CONSTITUTING A RELATIVELY SMALL PERCENTAGE OF THE VOLUME OF SAID CALENDERED SHEET SO THAT SAID SHEET IS MADE UP PRIMARILY FROM COMPRESSIBLE PACKING MATERIAL.
Claim 2
Dependent Claim
116 words
IN A GASKET, A CALENDERED SHEET OF COMPRESSIBLE AND NORMALLY RESILIENT SHEET PACKING MATERIAL HAVING A PREDETERMINED THICKNESS AND ADAPTED THROUGHOUT A PREDETERMINED ALLOWABLE RANGE OF COMPRESSION TO RETAIN ITS NORMAL RESILIENCY, AND A WOVEN METAL WIRE SCREEN EMBEDDED SUBSTANTIALLY CENTRALLY IN SAID SHEET PACKING MATERIAL AND SPACED FROM OPPOSITE FACES OF THE SHEET PACKING MATERIAL, SAID WIRE SCREEN HAVING KNUCKLES OF PREDETERMINED THICKNESS EQUAL TO AT LEAST ONE-HALF OF SAID PREDETERMINED THICKNESS OF SAID SHEET FOR LIMITING COMPRESSION OF THE SHEET PACKING MATERIAL TO SAID ALLOWABLE RANGE, AND SAID WIRE SCREEN CONSTITUTING A RELATIVELY SMALL PERCENTAGE OF THE VOLUME OF SAID CALENDERED SHEET SO THAT SAID SHEET IS MADE UP PRIMARILY FROM COMPRESSIBLE PACKING MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |