US2588587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire extinguisher
Assignee: Individual
•
Filing: 1948-10-18
•
Granted: 1952-03-11
•
Expires: 1968-10-18
Abstract
No abstract record available.
Inventors
- 👤 Sweetland Nellie
- 👤 Jr Ernest J Sweetland
- 👤 Company American Trust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:08
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US321161A
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US1190963A
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US1860074A
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US1869503A
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US1999584A
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US1998721A
Cited
US2002308A
Cited
US1937805A
Cited
US2082090A
Cited
US2173392A
Cited
US2357682A
Cited
US2470371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |