Patent US963975A successfully refreshed from Google Patents.
US963975A
Expired / Lapsed
US
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Barn-door hanger.
Assignee: J E PORTER Co
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Filing: 1909-12-17
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Granted: 1910-07-12
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Expires: 1929-12-17
Abstract
No abstract record available.
Inventors
- 👤 Francis M Yentzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:56
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063; E05D15/0634; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/64; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142
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) | 1913-07-11 | 1914-01-10 | 1914-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-07-11 | 1918-01-10 | 1918-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-07-11 | 1922-01-10 | 1922-07-12 | $7700.00 | Window Closed / Lapsed |