US3398699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating fluid displacement device
Assignee: Rolls Royce PLC
•
Filing: 1966-01-05
•
Granted: 1968-08-27
•
Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Stark Frank Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:31
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0002; F01B3/0005; F01B3/02; F02; F02B; F02B75/00; F02B75/26; F16; F16H; F16H23/00; F16H23/04; F16H23/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1582076A
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US1987699A
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DE696744C
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US2251543A
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US2569559A
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US2451455A
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US2737055A
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US2915014A
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US2918012A
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US3101621A
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US3257855A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |