US2983322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
heeren
Assignee: —
•
Filing: —
•
Granted: 1961-05-09
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:45
CPC Classifications
A; A01; A01B; A01B33/00; A01B33/06; A01B49/00; A01B49/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US89791A
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US435462A
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US510143A
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US30554A
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US1198589A
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US1259587A
Cited
US1506042A
Cited
US1811041A
Cited
US2215364A
Cited
US2420500A
Cited
US2611302A
Cited
US2560443A
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US2749826A
Cited
US2912055A
Cited
US2848932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |