US2772840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension-device
Assignee: Leesona Corp
•
Filing: 1953-08-06
•
Granted: 1956-12-04
•
Expires: 1973-08-06
Abstract
No abstract record available.
Inventors
- 👤 William V Goodhue
- 👤 Curt J Rohland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:06
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/22; B65H59/24; B65H59/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US345468A
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US1011450A
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US1407175A
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US1874379A
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US1873422A
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US2079966A
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US2048511A
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US2058536A
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US2362920A
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US2366101A
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US2643075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |