Patent US1876597A successfully refreshed from Google Patents.
US1876597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal koof
Assignee: —
•
Filing: —
•
Granted: 1932-09-13
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Expires: 1949-09-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:52
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/34; E04D1/12; E04D1/18; E04D1/29; E04D1/2907; E04D1/2914; E04D1/2916; E04D1/30; E04D2001/304; E04D2001/305; E04D2001/3408; E04D2001/3411; E04D2001/3444; E04D2001/345; E04D2001/3452; E04D2001/3461; E04D2001/347; E04D2001/3473
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) | 1935-09-13 | 1936-03-14 | 1936-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-13 | 1940-03-14 | 1940-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-13 | 1944-03-14 | 1944-09-13 | $7700.00 | Window Closed / Lapsed |