US2843943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined washer and drier
Assignee: Whirlpool Corp
•
Filing: 1953-11-02
•
Granted: 1958-07-22
•
Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 Geldhof Peter Eduard
- 👤 Clifton A Cobb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:40
CPC Classifications
D; D06; D06F; D06F29/00; D06F58/00; D06F58/20; D06F58/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US418773A
Cited
US1381002A
Cited
US2354674A
Cited
US2453859A
Cited
US2460422A
Cited
US2619736A
Cited
US2607209A
Cited
US2644245A
Cited
US2635354A
Cited
US2664646A
Cited
US2720037A
Cited
US2654160A
Cited
US2724906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |