US2928613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning machine
Assignee: Malsbary Manufacturing Co
•
Filing: 1955-12-02
•
Granted: 1960-03-15
•
Expires: 1975-12-02
Abstract
No abstract record available.
Inventors
- 👤 Walter W Taylor
- 👤 Walter F Malsbary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:49
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B05; B05B; B05B7/00; B05B7/02; B05B7/16; B05B7/1686; B05B7/1693; B05B9/00; B05B9/01; B05B9/03; B05B9/04; B05B9/0403; B08B3/028; B08B2203/00; B08B2203/007; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733101A
Cited
US1903338A
Cited
DE697519C
Cited
US2350876A
Cited
US2345614A
Cited
US2538281A
Cited
US2755130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |