Patent US2643073A successfully refreshed from Google Patents.
US2643073A
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Assignee: FRANK P ADAMS
•
Filing: 1950-02-04
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Granted: 1953-06-23
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Expires: 1970-02-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon F Bourne
- 👤 William E Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:30
CPC Classifications
A; A01; A01K; A01K89/00; A01K89/015; A01K89/0183; A01K89/01903; A01K89/01904; A01K89/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US804047A
Cited
US1932360A
Cited
US2184149A
Cited
US2298481A
Cited
US2363533A
Cited
US2502814A
Cited
US2518902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |