US2740536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission line maintenance derrick
Assignee: Individual
•
Filing: 1954-08-23
•
Granted: 1956-04-03
•
Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Bill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:17
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C2700/00; B66C2700/06; B66C2700/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2196649A
Cited
US2348899A
Cited
US2475963A
Cited
US2557466A
Cited
US2684159A
Cited
FR1068713A
Cited
US2687811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |