US2816539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated handle
Assignee: Individual
•
Filing: 1956-04-06
•
Granted: 1957-12-17
•
Expires: 1976-04-06
Abstract
No abstract record available.
Inventors
- 👤 Hal B Church
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:10
CPC Classifications
A; A01; A01K; A01K87/00; A01K87/08; A01K87/085; Y; Y10; Y10S; Y10S16/00; Y10S16/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US70506A
Cited
US370496A
Cited
US518590A
Cited
GB189625347A
Cited
US835150A
Cited
US1930501A
Cited
US2683478A
Cited
US2670728A
Cited
US2758592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |