Patent US3418031A successfully refreshed from Google Patents.
US3418031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating platform lock-down mechanism for spooler troughs and doff trucks and the like
Assignee: NVF Co
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Filing: 1967-08-30
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Granted: 1968-12-24
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Expires: 1987-08-30
Abstract
No abstract record available.
Inventors
- 👤 Fisher James Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:00
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/06; B65G1/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2083843A
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US2150712A
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US2769679A
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US2798640A
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US2806607A
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US2850203A
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US2980481A
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US2980287A
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US3091503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |