US2752029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barn cleaner
Assignee: Individual
•
Filing: 1951-06-11
•
Granted: 1956-06-26
•
Expires: 1971-06-11
Abstract
No abstract record available.
Inventors
- 👤 William H Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:30
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0132; A01K1/0146; Y; Y10; Y10S; Y10S198/00; Y10S198/952
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US950725A
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US1159767A
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US1276642A
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US1214703A
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US1771778A
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US1600357A
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US2091287A
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US2314316A
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US2522888A
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US2516798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |