Patent US2967451A successfully refreshed from Google Patents.
Patent US2717606A successfully refreshed from Google Patents.
US2717606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
batzle
Assignee: —
•
Filing: —
•
Granted: 1955-09-13
•
Expires: 1972-09-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:59
CPC Classifications
A; A01; A01F; A01F11/00; A01F11/06; A23; A23N; A23N15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US273457A
Cited
US835066A
Cited
US858201A
Cited
US1008925A
Cited
US1336304A
Cited
US1510968A
Cited
US2001457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |