US3525102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine
Assignee: Tectonics Companies Inc
•
Filing: 1968-12-17
•
Granted: 1970-08-18
•
Expires: 1988-12-17
Abstract
No abstract record available.
Inventors
- 👤 Anton Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:51
CPC Classifications
F; F02; F02B; F02B71/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US947908A
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US1640655A
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US2027877A
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US2084822A
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US2244215A
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US2398221A
Cited
US2442470A
Cited
US2772574A
Cited
FR1128251A
Cited
FR73018E
Cited
US2991773A
Cited
US3170406A
Cited
US3188805A
Cited
US3318089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |