US2584305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature responsive ventilator for beehives
Assignee: Individual
•
Filing: 1947-04-25
•
Granted: 1952-02-05
•
Expires: 1967-04-25
Abstract
No abstract record available.
Inventors
- 👤 Merritt I Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:46
CPC Classifications
A; A01; A01K; A01K47/00; A01K47/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US185194A
Cited
US373324A
Cited
US395382A
Cited
US1358193A
Cited
US1435118A
Cited
US1973620A
Cited
US2232343A
Cited
US2434090A
Cited
US2400674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |