US2733788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
farmer
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:28
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/96; E06B3/964; E06B3/968; E06B3/976; E06B3/9765; E06B3/9647; E06B3/9648; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0997; Y10T403/00; Y10T403/55; Y10T403/555
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US738939A
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US834968A
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US1111086A
Cited
US1233310A
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US1797123A
Cited
US2051754A
Cited
US2200547A
Cited
US2416659A
Cited
US2447346A
Cited
US2437598A
Cited
US2445428A
Cited
US2599032A
Cited
US2605866A
Cited
US2701898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |