US2571389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle assembly
Assignee: Knapp Monarch Co
•
Filing: 1946-05-03
•
Granted: 1951-10-16
•
Expires: 1966-05-03
Abstract
No abstract record available.
Inventors
- 👤 Leland H Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:47
CPC Classifications
A; A47; A47J; A47J45/00; A47J45/06; A47J45/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US237505A
Cited
US582439A
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US653863A
Cited
GB190207552A
Cited
US808766A
Cited
CH146055A
Cited
US2143432A
Cited
US2373917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |