US3087139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angle setting indicator
Assignee: Individual
•
Filing: 1959-04-27
•
Granted: 1963-04-23
•
Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Robert E Finch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:58
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1379506A
Cited
US1868523A
Cited
US2321699A
Cited
US2471220A
Cited
US2410842A
Cited
US2562637A
Cited
US2701353A
Cited
CH336157A
Cited
US2932014A
Cited
US2958847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |