Patent US2879581A successfully refreshed from Google Patents.
US2879581A
Expired / Lapsed
US
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Continuous bias constructed glass textile fabric
Assignee: EXETER Manufacturing Co
•
Filing: 1953-06-26
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Granted: 1959-03-31
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Expires: 1973-06-26
Abstract
No abstract record available.
Inventors
- 👤 Walter W Evans
- 👤 Lawrence E Oliver
- 👤 Carl R Ronnquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:13
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; Y; Y10; Y10S; Y10S139/00; Y10S139/01; Y10T; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/3301; Y10T442/3309
Claims Analysis
Total Claims: 0
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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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |