US2936796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper-makers' dryer felt
Assignee: Scapa Blackburn Ltd
•
Filing: 1956-07-03
•
Granted: 1960-05-17
•
Expires: 1976-07-03
Abstract
No abstract record available.
Inventors
- 👤 Hindle Thomas
- 👤 Race Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/0027; D21F1/0036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2152415A
Cited
GB610171A
Cited
US2506667A
Cited
US2540874A
Cited
US2542297A
Cited
GB710078A
Cited
US2604689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |