Patent US2542896A successfully refreshed from Google Patents.
US2542896A
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Assignee: Individual
•
Filing: 1948-01-30
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Granted: 1951-02-20
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Expires: 1968-01-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis E Brady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:18
CPC Classifications
A; A47; A47J; A47J45/00; A47J45/02; F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D29/00; F04D29/18; F04D29/22; F04D29/2205; F04D29/2222; F04D29/2233; F04D29/40; F04D29/42; F04D29/426; F04D29/4266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US223642A
Cited
US1571735A
Cited
US1432951A
Cited
GB300283A
Cited
US1919097A
Cited
US2007856A
Cited
US2163194A
Cited
US2208041A
Cited
US2295982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |