US3540111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of moving crossarms
Assignee: JAMES C WAINWRIGHT
•
Filing: 1967-12-27
•
Granted: 1970-11-17
•
Expires: 1987-12-27
Abstract
No abstract record available.
Inventors
- 👤 James C Wainwright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:35
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/18; E04H12/187; B; B21; B21H; B21H7/00; E04H12/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49631; Y10T29/49718; Y10T29/49721; Y10T29/4973
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1877241A
Cited
US1928280A
Cited
US2606952A
Cited
US2949271A
Cited
US3130958A
Cited
US3170673A
Cited
US3132415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |