US3225741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laying cages
Assignee: NATIONAL IDEAL CO
•
Filing: 1964-01-06
•
Granted: 1965-12-28
•
Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 William B Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:52
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)
US2591609A
Cited
US2897954A
Cited
US2756721A
Cited
US2918037A
Cited
US2934199A
Cited
US3003464A
Cited
US2973742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |