US2588795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perpetual calendar
Assignee: Individual
•
Filing: 1949-03-01
•
Granted: 1952-03-11
•
Expires: 1969-03-01
Abstract
No abstract record available.
Inventors
- 👤 Edward L Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:21
CPC Classifications
G; G09; G09D; G09D3/00; G09D3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US424356A
Cited
US1668280A
Cited
US1219173A
Cited
US1266499A
Cited
US1507345A
Cited
GB512386A
Cited
US2523206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |