US2523347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filing device
Assignee: Individual
•
Filing: 1944-08-17
•
Granted: 1950-09-26
•
Expires: 1964-08-17
Abstract
No abstract record available.
Inventors
- 👤 Weston Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:04
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1415035A
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US1402439A
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DE444059C
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US1767645A
Cited
DE466878C
Cited
US1684842A
Cited
US1727926A
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US2153123A
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US2192178A
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US2272537A
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US2261839A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |