US2942446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine pump and drive mechanism
Assignee: Whirlpool Corp
•
Filing: 1958-08-08
•
Granted: 1960-06-28
•
Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
- 👤 Clark I Platt
- 👤 Harbor Benton
- 👤 Jack F Clearman
- 👤 Dean H Freund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:04
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/30; D06F37/36; D06F39/00; D06F39/08; D06F39/083; D06F33/00; D06F33/30; D06F33/47
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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |