Patent US1854660A successfully refreshed from Google Patents.
US1854660A
Expired / Lapsed
US
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Tile roof construction
Assignee: LIONEL A WOLFF
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Filing: 1929-04-27
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Granted: 1932-04-19
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Expires: 1949-04-27
Abstract
No abstract record available.
Inventors
- 👤 Emmet G Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:30
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/34; E04D1/02; E04D1/04; E04D1/045; E04D2001/3408; E04D2001/3411; E04D2001/342; E04D2001/3438; E04D2001/3452; E04D2001/3467; E04D2001/347; E04D2001/3473; E04D2001/3488; E04D2001/3497
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) | 1935-04-19 | 1935-10-19 | 1936-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-04-19 | 1939-10-19 | 1940-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-04-19 | 1943-10-19 | 1944-04-19 | $7700.00 | Window Closed / Lapsed |