US1445083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-tread ceramic tile
Assignee: Saint Gobain Abrasives Inc
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Filing: 1922-04-25
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Granted: 1923-02-13
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Expires: 1942-04-25
Abstract
No abstract record available.
Inventors
- 👤 George N Jeppson
- 👤 Milton F Beecher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:06
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/104; E04F11/16; Y; Y10; Y10S; Y10S264/00; Y10S264/57; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24579
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) | 1926-02-12 | 1926-08-14 | 1927-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-02-12 | 1930-08-14 | 1931-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-02-12 | 1934-08-14 | 1935-02-13 | $7700.00 | Window Closed / Lapsed |