US2963568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock tank de-icer
Assignee: Individual
•
Filing: 1959-04-27
•
Granted: 1960-12-06
•
Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Tellefson John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:19
CPC Classifications
A; A01; A01K; A01K7/00; A01K7/02; A01K7/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1190795A
Cited
US1719100A
Cited
US1793431A
Cited
US2466135A
Cited
US2566990A
Cited
US2509460A
Cited
US2611953A
Cited
US2678026A
Cited
US2709418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |