US3511049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motive fluid composition
Assignee: MILL AND MINE SERVICES Inc A CORP OF
•
Filing: 1968-10-07
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Granted: 1970-05-12
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Expires: 1988-10-07
Abstract
No abstract record available.
Inventors
- 👤 John P Norton
- 👤 Saxon Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:14
CPC Classifications
F; F01; F01K; F01K25/00; F01K25/06; F01K25/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2301404A
Cited
US3282048A
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 |