Patent US3410431A successfully refreshed from Google Patents.
US3410431A
Expired / Lapsed
US
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Clamp mechanism for materials handling equipment
Assignee: INVENTORS ENGINEERING
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Filing: 1966-07-06
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Granted: 1968-11-12
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Expires: 1986-07-06
Abstract
No abstract record available.
Inventors
- 👤 Albam M Vik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:49
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/187; B66F9/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2512409A
Cited
US2642307A
Cited
US2695809A
Cited
US2706060A
Cited
US2904202A
Cited
US2827189A
Cited
US3071405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |