US2453184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable spooling device for well drilling rigs
Assignee: Green & Berry Inc
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Filing: 1947-12-29
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Granted: 1948-11-09
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Expires: 1967-12-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:46
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/36; B66D2700/00; B66D2700/01; B66D2700/0183; B66D2700/0191
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |