US2972307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-plunger injection pump
Assignee: Daimler Benz AG
•
Filing: 1957-03-25
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Granted: 1961-02-21
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Robert J Wirsching
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:08
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/12; F02; F02M; F02M59/00; F04B1/00; F04B1/12; F04B1/122; F04B1/124; F04B1/126; F04B1/14; F02M2700/00; F02M2700/13; F02M2700/1317
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) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |