US2744403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting arrangement for pivotal wringer roll
Assignee: Chamberlain Corp
•
Filing: 1952-01-16
•
Granted: 1956-05-08
•
Expires: 1972-01-16
Abstract
No abstract record available.
Inventors
- 👤 Nicholas L Etten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:34
CPC Classifications
D; D06; D06F; D06F45/00; D06F45/16; D06F45/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US900503A
Cited
US970317A
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US1097261A
Cited
US1189611A
Cited
US1839748A
Cited
CH156836A
Cited
US1982141A
Cited
DE654450C
Cited
US2358256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |