US2678094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for roller shades or awnings
Assignee: Individual
•
Filing: 1952-04-12
•
Granted: 1954-05-11
•
Expires: 1972-04-12
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Sargent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:59
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)
US105854A
Cited
US1187077A
Cited
US1568379A
Cited
US1725285A
Cited
US1783002A
Cited
US2020595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |