US2533574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moistening mechanism for duplicating machines
Assignee: Block and Anderson Ltd
•
Filing: 1946-03-20
•
Granted: 1950-12-12
•
Expires: 1966-03-20
Abstract
No abstract record available.
Inventors
- 👤 Gerlach Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:12
CPC Classifications
B; B41; B41L; B41L7/00; B41L7/02; B41L7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22406E
Cited
US2012619A
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US2161554A
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US2172115A
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US2225749A
Cited
US2299994A
Cited
US2240026A
Cited
US2271801A
Cited
US2229583A
Cited
US2299967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |