US3387302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicators
Assignee: ELLIOTT BROTHERS (LONDOND) Ltd
•
Filing: 1967-02-06
•
Granted: 1968-06-04
•
Expires: 1987-02-06
Abstract
No abstract record available.
Inventors
- 👤 Frank H Bevan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:30
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0676; G01; G01C; G01C23/00; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1999047A
Cited
US2051966A
Cited
US2309314A
Cited
US2439044A
Cited
US2419970A
Cited
US2736893A
Cited
US2926294A
Cited
US3034032A
Cited
US3335980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |