US2093261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building wall structure
Assignee: BRICK V NEER SALES Co
•
Filing: 1936-06-13
•
Granted: 1937-09-14
•
Expires: 1956-06-13
Abstract
No abstract record available.
Inventors
- 👤 Lester E Willson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0832; E04F13/0833; E04F13/0841; Y; Y10; Y10S; Y10S411/00; Y10S411/923
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) | 1940-09-13 | 1941-03-15 | 1941-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-09-13 | 1945-03-15 | 1945-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-09-13 | 1949-03-15 | 1949-09-14 | $7700.00 | Window Closed / Lapsed |