US2888216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensioning device
Assignee: TUBE MASTERS Inc
•
Filing: 1956-01-30
•
Granted: 1959-05-26
•
Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William B Simons
- 👤 Jr Earl M Seagrave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:37
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/22; B65H2555/00; B65H2555/10; B65H2555/11; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2610813A
Cited
US2650043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |