US2620928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plateholder
Assignee: Individual
•
Filing: 1950-02-09
•
Granted: 1952-12-09
•
Expires: 1970-02-09
Abstract
No abstract record available.
Inventors
- 👤 Brooks Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:11
CPC Classifications
A; A47; A47J; A47J47/00; A47J47/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1810199A
Cited
US1558977A
Cited
GB379520A
Cited
GB498137A
Cited
US2281192A
Cited
US2430166A
Cited
GB591552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |