US3511299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition responsive closure operating device
Assignee: ALFRED T NEWELL
•
Filing: 1965-09-01
•
Granted: 1970-05-12
•
Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred T Newell
- 👤 Larry Winfred Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:28
CPC Classifications
A; A01; A01K; A01K31/00; A01K1/00; A01K1/0047; A01K1/007; E; E05; E05F; E05F15/00; E05F15/70; E05F15/71; E05Y; E05Y2400/00; E05Y2400/10; E05Y2400/40; E05Y2400/41; E05Y2400/415; E05Y2400/42; E05Y2800/00; E05Y2800/20; E05Y2800/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1953923A
Cited
GB400953A
Cited
US2261852A
Cited
US2678212A
Cited
US2754063A
Cited
US2837286A
Cited
US2979265A
Cited
US2974870A
Cited
US3042001A
Cited
US3235247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |