US2635665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key holder
Assignee: Individual
•
Filing: 1951-01-24
•
Granted: 1953-04-21
•
Expires: 1971-01-24
Abstract
No abstract record available.
Inventors
- 👤 Grant R Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:59
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/32; Y; Y10; Y10S; Y10S72/00; Y10S72/704
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US908456A
Cited
GB191210310A
Cited
US1145093A
Cited
US1621777A
Cited
US1719120A
Cited
US1877909A
Cited
US1877910A
Cited
US1877912A
Cited
US1877911A
Cited
US2376904A
Cited
US2479524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |