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Patent US3001806A successfully refreshed from Google Patents.
US3001806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal
Assignee: Individual
•
Filing: 1954-10-14
•
Granted: 1961-09-26
•
Expires: 1974-10-14
Abstract
No abstract record available.
Inventors
- 👤 Macks Elmer Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:33
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/44; F16J15/441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US629136A
Cited
US2075444A
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US2442202A
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US2445227A
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US2473139A
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US2554234A
Cited
US2683636A
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US2645534A
Cited
US2571868A
Cited
US2680410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |