US2565200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window
Assignee: Individual
•
Filing: 1946-06-19
•
Granted: 1951-08-21
•
Expires: 1966-06-19
Abstract
No abstract record available.
Inventors
- 👤 Lawrence O Burress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:01
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/02; E04D3/06; E04D13/00; E04D13/03; E04D13/035; E04D13/0351; E04D3/08; E04D2003/0868; E04D2003/0875; E04D2003/0881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1012190A
Cited
US1433441A
Cited
US1787386A
Cited
US1959287A
Cited
US1906997A
Cited
US2252505A
Cited
US2313723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |