Patent US2260446A successfully refreshed from Google Patents.
US2260446A
Expired / Lapsed
US
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Shingle fastening device
Assignee: Individual
•
Filing: 1940-05-24
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Granted: 1941-10-28
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Expires: 1960-05-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest S Fooks
- 👤 Koontz Walter Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:58
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/29; E04D1/2907; E04D1/2914; E04D1/2918; E04D1/34; E04D2001/3408; E04D2001/3414; E04D2001/3423; E04D2001/3444; E04D2001/3447; E04D2001/3452; E04D2001/3458; E04D2001/3488; E04D2001/3494
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) | 1944-10-27 | 1945-04-28 | 1945-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-27 | 1949-04-28 | 1949-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-27 | 1953-04-28 | 1953-10-28 | $7700.00 | Window Closed / Lapsed |