US2491245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for mechanical removal of dung
Assignee: Individual
•
Filing: 1944-12-13
•
Granted: 1949-12-13
•
Expires: 1964-12-13
Abstract
No abstract record available.
Inventors
- 👤 Bergman Lars Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:44
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/01; A01K1/0146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US291587A
Cited
US491577A
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US1243136A
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US1242083A
Cited
US1437358A
Cited
US1668815A
Cited
US1699175A
Cited
US2097909A
Cited
US2303649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |