US2817340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hibernating apparatus
Assignee: Individual
•
Filing: 1954-11-15
•
Granted: 1957-12-24
•
Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Claude Ch F Cuvier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:26
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/0053; A61F2007/0054; A61F2007/0056; A61F2007/0057; A61F2007/0086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US26663A
Cited
US1476460A
Cited
US2093834A
Cited
US2099954A
Cited
US2184644A
Cited
US2033040A
Cited
US2559654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |