US2492604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure equipped structure
Assignee: Individual
•
Filing: 1946-01-19
•
Granted: 1949-12-27
•
Expires: 1966-01-19
Abstract
No abstract record available.
Inventors
- 👤 Townsend Maurice Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:40
CPC Classifications
A; A01; A01K; A01K7/00; A01K7/02; A01K7/027; A01K7/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US499656A
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US699415A
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US787053A
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US965940A
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AT47920B
Cited
US1062792A
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US1270731A
Cited
US1392513A
Cited
US1342851A
Cited
US1587551A
Cited
US1963089A
Cited
US2373858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |