US2453399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk record holder
Assignee: Individual
•
Filing: 1946-08-30
•
Granted: 1948-11-09
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 Baker Earl Joseph
- 👤 Baker Herbert Fredrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:34
CPC Classifications
A; A47; A47B; A47B81/00; A47B81/06; A47B81/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1014929A
Cited
US1018689A
Cited
US1145712A
Cited
US1167063A
Cited
US1500539A
Cited
US1599039A
Cited
US2263008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |