US2851990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laying cage trough and support therefor
Assignee: MONTGOMERY AND CRAWFORD CO Inc
•
Filing: 1955-08-30
•
Granted: 1958-09-16
•
Expires: 1975-08-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Rowland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:34
CPC Classifications
A; A01; A01K; A01K31/00; A01K31/14; A01K31/16; A01K31/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1771647A
Cited
US1881023A
Cited
US1812684A
Cited
US1989025A
Cited
GB445449A
Cited
US2636475A
Cited
US2619313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |