Patent US2804336A successfully refreshed from Google Patents.
US2804336A
Expired / Lapsed
US
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Pick-up tool
Assignee: Individual
•
Filing: 1953-08-12
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Granted: 1957-08-27
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Expires: 1973-08-12
Abstract
No abstract record available.
Inventors
- 👤 Thompson Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:35
CPC Classifications
A; A01; A01D; A01D11/00; E; E01; E01H; E01H1/00; E01H1/12; E01H2001/122; E01H2001/1226; E01H2001/1233; E01H2001/1293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US273560A
Cited
US1959617A
Cited
US2155913A
Cited
US2194016A
Cited
US2610397A
Cited
US2500647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |