US2095434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: Individual
•
Filing: 1936-03-13
•
Granted: 1937-10-12
•
Expires: 1956-03-13
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Calkins
- 👤 James W Swank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:11
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/08; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T403/00; Y10T403/49; Y10T403/4983
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) | 1940-10-11 | 1941-04-12 | 1941-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-11 | 1945-04-12 | 1945-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-11 | 1949-04-12 | 1949-10-12 | $7700.00 | Window Closed / Lapsed |