US2354489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Black-out means
Assignee: Individual
•
Filing: 1942-04-07
•
Granted: 1944-07-25
•
Expires: 1962-04-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas T Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:50
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/58; E06B9/24; E06B2009/2423; E06B2009/2447; E06B2009/2452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-07-25 | 1948-01-24 | 1948-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-25 | 1952-01-24 | 1952-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-25 | 1956-01-24 | 1956-07-25 | $7700.00 | Window Closed / Lapsed |