US2871050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1956-11-01
•
Granted: 1959-01-27
•
Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Oral W Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:23
CPC Classifications
E; E05; E05B; E05B1/00; E05B1/0053; Y; Y10; Y10T; Y10T292/00; Y10T292/03; Y10T292/08; Y10T292/0908; Y10T292/57
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1605989A
Cited
US975456A
Cited
US1105252A
Cited
US1056937A
Cited
US2104618A
Cited
US2320298A
Cited
US2481990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |