US2722876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil pulverizer
Assignee: Individual
•
Filing: 1952-09-08
•
Granted: 1955-11-08
•
Expires: 1972-09-08
Abstract
No abstract record available.
Inventors
- 👤 London Robert Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:38
CPC Classifications
A; A01; A01B; A01B27/00; A01B21/00; A01B21/02; A01B21/04; A01B63/00; A01B63/02; A01B63/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US31738A
Cited
US934238A
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US2440550A
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US2526396A
Cited
USRE23190E
Cited
US2456693A
Cited
US2616348A
Cited
US2531557A
Cited
US2672801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |