US3545293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial belt construction
Assignee: Owens Corning
•
Filing: 1968-12-27
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Granted: 1970-12-08
•
Expires: 1988-12-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred Marzocchi
- 👤 David E Leary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:05
CPC Classifications
B; B29; B29D; B29D29/00; F; F16; F16G; F16G1/00; F16G1/06; F16G1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3122934A
Cited
US1578727A
Cited
US1698035A
Cited
US1834606A
Cited
US2633227A
Cited
GB874956A
Cited
US3416383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |