US1900833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated concrete
Assignee: Individual
•
Filing: 1930-10-10
•
Granted: 1933-03-07
•
Expires: 1950-10-10
Abstract
No abstract record available.
Inventors
- 👤 Peter J Maul
- 👤 Hoffman Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:09
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5022; C04B41/60; C04B41/61; C04B41/65; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/232; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249968
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) | 1936-03-06 | 1936-09-05 | 1937-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-06 | 1940-09-05 | 1941-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-06 | 1944-09-05 | 1945-03-07 | $7700.00 | Window Closed / Lapsed |