US1804508A
Expired / Lapsed
US
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Transparent tile and method of making same
Assignee: Individual
•
Filing: 1926-10-11
•
Granted: 1931-05-12
•
Expires: 1946-10-11
Abstract
No abstract record available.
Inventors
- 👤 John T Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:36
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/04; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/166; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/24802; Y10T428/2481; Y10T428/24851; Y10T428/24868; Y10T428/24876; Y10T428/24893; Y10T428/24909; Y10T428/24926
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) | 1934-05-11 | 1934-11-10 | 1935-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-11 | 1938-11-10 | 1939-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-11 | 1942-11-10 | 1943-05-12 | $7700.00 | Window Closed / Lapsed |