Patent US2065045A successfully refreshed from Google Patents.
US2065045A
Expired / Lapsed
US
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Construction material
Assignee: Individual
•
Filing: 1933-04-25
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Granted: 1936-12-22
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Expires: 1953-04-25
Abstract
No abstract record available.
Inventors
- 👤 Broback Juel Irvin
- 👤 George J Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:12
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; E04B1/941; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/166; Y10T428/31504; Y10T428/31652; Y10T428/31659
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) | 1939-12-22 | 1940-06-22 | 1940-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-22 | 1944-06-22 | 1944-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-22 | 1948-06-22 | 1948-12-22 | $7700.00 | Window Closed / Lapsed |