Patent US2640460A successfully refreshed from Google Patents.
US2640460A
Expired / Lapsed
US
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Exercising cage
Assignee: Individual
•
Filing: 1952-05-20
•
Granted: 1953-06-02
•
Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 John A Siegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:37
CPC Classifications
A; A01; A01K; A01K15/00; A01K15/02; A01K15/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US80561A
Cited
US189251A
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US277724A
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US958821A
Cited
US1258684A
Cited
US1632380A
Cited
US1971474A
Cited
US1981096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |