US3468291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic feeder for animal cages
Assignee: MAURICE B ALLEN
•
Filing: 1967-01-17
•
Granted: 1969-09-23
•
Expires: 1987-01-17
Abstract
No abstract record available.
Inventors
- 👤 Maurice B Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:27
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0291; A01K1/00; A01K1/02; A01K1/035; A01K1/0356
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE198188C
Cited
US1989298A
Cited
US2500243A
Cited
US2528742A
Cited
US3050029A
Cited
US3180316A
Cited
US3340851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |