Patent US3371801A successfully refreshed from Google Patents.
US3371801A
Expired / Lapsed
US
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Extensible jib, mast or the like
Assignee: Individual
•
Filing: 1966-08-08
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Granted: 1968-03-05
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Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 Widegren Lars Harald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:45
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/06; F16H19/064; B; B66; B66C; B66C23/00; B66C23/62; B66C23/64; E; E04; E04H; E04H12/00; E04H12/18; E04H12/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |