Patent US2986183A successfully refreshed from Google Patents.
US2986183A
Expired / Lapsed
US
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Clamping mechanism
Assignee: LUDERJAK Co
•
Filing: 1958-08-04
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Granted: 1961-05-30
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Expires: 1978-08-04
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Jackman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:30
CPC Classifications
E; E04; E04G; E04G13/00; E04G13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US305963A
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US755384A
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US1182780A
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US1421370A
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US1726542A
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US1842683A
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US2233458A
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US2371730A
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US2574214A
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US2635320A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |