US3434203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of thermo-electric generators
Assignee: Ferranti International PLC
•
Filing: 1966-11-25
•
Granted: 1969-03-25
•
Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 William Thorp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:51
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/01; H10N10/10; H10N10/17; H10N10/80; H10N10/85; H10N10/851; H10N10/8556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2811568A
Cited
US3071495A
Cited
US3047438A
Cited
US3237062A
Cited
US3243323A
Cited
US3370262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |