US3407739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumps and pump housing and motor unit
Assignee: Champion Cooler Corp
•
Filing: 1966-02-15
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Granted: 1968-10-29
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Expires: 1986-02-15
Abstract
No abstract record available.
Inventors
- 👤 Charles F Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:47
CPC Classifications
F; F04; F04D; F04D7/00; F04D7/02; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D29/00; F04D29/58; F04D29/5806; F04D29/60; F04D29/62; F04D29/628
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |