US2020178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for the manufacture of safety glass
Assignee: Anciens Ets Huet & Cie
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Filing: 1933-12-15
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Granted: 1935-11-05
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Expires: 1953-12-15
Abstract
No abstract record available.
Inventors
- 👤 Haas Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/02; B29C39/12; B29C39/123; B29C39/126; B29C39/22; B29C39/42; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10899; B32B17/10908; B32B17/10917; B29K; B29K2709/00; B29K2709/08
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) | 1938-11-04 | 1939-05-06 | 1939-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-04 | 1943-05-06 | 1943-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-04 | 1947-05-06 | 1947-11-05 | $7700.00 | Window Closed / Lapsed |