Patent US1786512A successfully refreshed from Google Patents.
US1786512A
Expired / Lapsed
US
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Automatic shade-roller stop
Assignee: Individual
•
Filing: 1929-05-28
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Granted: 1930-12-30
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Expires: 1949-05-28
Abstract
No abstract record available.
Inventors
- 👤 Bevill W Whitworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:38
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/80; E06B9/82; E06B9/88; E06B9/68; E06B2009/6809; E06B2009/6872; E06B2009/6881
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) | 1933-12-29 | 1934-06-30 | 1934-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-12-29 | 1938-06-30 | 1938-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-12-29 | 1942-06-30 | 1942-12-30 | $7700.00 | Window Closed / Lapsed |