US2077094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building material and method of making the same
Assignee: Individual
•
Filing: 1931-12-26
•
Granted: 1937-04-13
•
Expires: 1951-12-26
Abstract
No abstract record available.
Inventors
- 👤 Byers William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:14
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/26; Y; Y10; Y10S; Y10S106/00; Y10S106/03; Y10S264/00; Y10S264/63
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) | 1940-04-12 | 1940-10-12 | 1941-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-04-12 | 1944-10-12 | 1945-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-04-12 | 1948-10-12 | 1949-04-13 | $7700.00 | Window Closed / Lapsed |