Patent US1795200A successfully refreshed from Google Patents.
US1795200A
Expired / Lapsed
US
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Manufacture of vitreous material
Assignee: MYCALEX (PARENT) COMPANY Ltd
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Filing: 1930-05-19
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Granted: 1931-03-03
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Expires: 1950-05-19
Abstract
No abstract record available.
Inventors
- 👤 Crossley Percy Broadbent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:40
CPC Classifications
C; C04; C04B; C04B32/00; C04B32/005; C04B35/00; C04B35/01; C04B35/16; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2911
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) | 1934-03-02 | 1934-09-01 | 1935-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-02 | 1938-09-01 | 1939-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-02 | 1942-09-01 | 1943-03-03 | $7700.00 | Window Closed / Lapsed |