US2926629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding device
Assignee: Rockwood and Co
•
Filing: 1958-07-14
•
Granted: 1960-03-01
•
Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Gretzolon L Hazen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:01
CPC Classifications
A; A01; A01K; A01K39/00; A01K39/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2646023A
Cited
US2683439A
Cited
US2745381A
Cited
US2742138A
Cited
US2714950A
Cited
US2745539A
Cited
US2785791A
Cited
US2795313A
Cited
US2867314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |