US3374901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Live boom supporting live boom or hoist track
Assignee: Individual
•
Filing: 1966-04-18
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Granted: 1968-03-26
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Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Ferwerda Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:36
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/96; E02F3/963; B; B66; B66B; B66B9/00; B66B9/16; B66C; B66C13/00; B66C13/18; B66C23/00; B66C23/18; B66C23/36; B66C23/62; B66F; B66F11/00; B66F11/04; B66F11/044; B66F11/046; E02F3/28; E02F3/36; E02F3/38; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357; B66C2700/06; B66C2700/062
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |