US2947258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-regulating reciprocating piston pumps, in particular for the injection of fuel into internal combustion engines
Assignee: Individual
•
Filing: 1958-07-07
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Granted: 1960-08-02
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Expires: 1978-07-07
Abstract
No abstract record available.
Inventors
- 👤 Bessiere Pierre Etienne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:19
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/07; G06K13/077; B; B07; B07B; B07B4/00; B07B4/02; B07B4/06; F; F02; F02M; F02M59/00; F02M59/20; F02M59/32; F02M2700/00; F02M2700/13; F02M2700/1317; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4587; Y10T83/4589; Y10T83/4622; Y10T83/4625
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |