US3433132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum motor
Assignee: F AND E Manufacturing CO
•
Filing: 1966-11-28
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Granted: 1969-03-18
•
Expires: 1986-11-28
Abstract
No abstract record available.
Inventors
- 👤 George A James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:37
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/121; F15B11/123; F02; F02M; F02M1/00; F02M1/08; F02M1/14; F15B11/125; F24; F24F; F24F11/00; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/082; F24F2013/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR999277A
Cited
GB523583A
Cited
US3096689A
Cited
US3077186A
Cited
US3146682A
Cited
US3187640A
Cited
US3282169A
Cited
US3368459A
Cited
US3373662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |