US2639906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Minnow box
Assignee: Individual
•
Filing: 1950-01-04
•
Granted: 1953-05-26
•
Expires: 1970-01-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:42
CPC Classifications
A; A01; A01K; A01K97/00; A01K97/04; A01K97/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1604971A
Cited
US1868632A
Cited
US2088962A
Cited
US2194037A
Cited
US2253516A
Cited
US2261830A
Cited
US2466570A
Cited
US2471573A
Cited
US2587834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |