US2733101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam cleaning device
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:40
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B08B3/028; B08B2230/00; B08B2230/01; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2511; Y10T137/6416; Y10T137/6443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1667683A
Cited
US1766088A
Cited
US2044557A
Cited
US2128263A
Cited
US2295228A
Cited
US2345614A
Cited
US2451019A
Cited
US2487348A
Cited
US2624618A
Cited
US2638383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |