US3086474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw pump
Assignee: IMO Industries Inc
•
Filing: 1960-02-18
•
Granted: 1963-04-23
•
Expires: 1980-02-18
Abstract
No abstract record available.
Inventors
- 👤 Morgan B Sennet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:50
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/16; F04C2/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2287716A
Cited
US2477002A
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US2480818A
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US2457314A
Cited
US2481527A
Cited
US2474653A
Cited
US2531603A
Cited
US2659239A
Cited
US2642003A
Cited
US2693762A
Cited
US2693763A
Cited
US2705922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |