US3417929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comminuting pumps
Assignee: SECREST Manufacturing CO
•
Filing: 1966-02-08
•
Granted: 1968-12-24
•
Expires: 1986-02-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph T Secrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:58
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2261; F04D29/2288; B; B02; B02C; B02C18/00; B02C18/0084; B02C18/0092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR960112A
Cited
US2416043A
Cited
US2712905A
Cited
US2963281A
Cited
US2866555A
Cited
US3155330A
Cited
US3330488A
Cited
US3318248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |