US3115216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rope and cable stopper for derricks
Assignee: Individual
•
Filing: 1962-05-14
•
Granted: 1963-12-24
•
Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Sandnes Gottfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:09
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/04; B66D3/06; B66D3/10; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3958
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US287856A
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US366736A
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US475115A
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US601029A
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US666879A
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US2333646A
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US2462969A
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US2960739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |