US1825277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of cutting disks from glass plates
Assignee: DUPLATE Corp
•
Filing: 1928-12-21
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Granted: 1931-09-29
•
Expires: 1948-12-21
Abstract
No abstract record available.
Inventors
- 👤 William O Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:31
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/041; B24; B24B; B24B27/00; B24B27/06; B24B27/0641; Y; Y10; Y10T; Y10T408/00; Y10T408/03; Y10T408/81; Y10T408/89; Y10T408/895
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) | 1934-09-28 | 1935-03-30 | 1935-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-28 | 1939-03-30 | 1939-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-28 | 1943-03-30 | 1943-09-29 | $7700.00 | Window Closed / Lapsed |