US3061249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating means
Assignee: Ultra Electronics Ltd
•
Filing: 1960-05-10
•
Granted: 1962-10-30
•
Expires: 1980-05-10
Abstract
No abstract record available.
Inventors
- 👤 Chipperfield Victor James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:41
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1964016A
Cited
US2036279A
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US2377587A
Cited
US2368258A
Cited
US2334211A
Cited
US2629083A
Cited
US2495486A
Cited
US2706605A
Cited
GB777495A
Cited
US2887055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |