US2567127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible shaft
Assignee: Individual
•
Filing: 1947-10-24
•
Granted: 1951-09-04
•
Expires: 1967-10-24
Abstract
No abstract record available.
Inventors
- 👤 Willie M Shoffner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:32
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/02; F16C1/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/519
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US46478A
Cited
US480040A
Cited
US514990A
Cited
US1219545A
Cited
US1438702A
Cited
GB180165A
Cited
GB216906A
Cited
US1896901A
Cited
FR674428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |