Patent US2939305A successfully refreshed from Google Patents.
US2939305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lint filter for washing machine
Assignee: Motors Liquidation Co
•
Filing: 1956-12-05
•
Granted: 1960-06-07
•
Expires: 1976-12-05
Abstract
No abstract record available.
Inventors
- 👤 Harold M Snyder
- 👤 Robert F Neidhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:49
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/10; D06F13/00; D06F13/04; D06F23/00; D06F23/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US796383A
Cited
GB190930328A
Cited
US1925462A
Cited
US1912020A
Cited
US1910803A
Cited
US2287628A
Cited
US2298096A
Cited
US2421242A
Cited
US2481979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |