Patent US4995819A successfully refreshed from Google Patents.
US2157189A
Expired / Lapsed
US
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Roofing
Assignee: AG fur GLASS INDUSTRIE VORM FRIEDR
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Filing: 1937-10-11
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Granted: 1939-05-09
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Expires: 1957-10-11
Abstract
No abstract record available.
Inventors
- 👤 Schlosinger Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:23
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/02; E04D3/06; E04D3/08; E04D2003/0818; E04D2003/0843; E04D2003/0893; Y; Y10; Y10S; Y10S411/00; Y10S411/915
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) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |