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US2920696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain track
Assignee: Individual
•
Filing: 1957-10-11
•
Granted: 1960-01-12
•
Expires: 1977-10-11
Abstract
No abstract record available.
Inventors
- 👤 Sherrill L Mitchell
- 👤 Guy W Crosnoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:45
CPC Classifications
A; A47; A47H; A47H5/00; A47H5/02; A47H5/032; A47H1/00; A47H1/04; A47H2001/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |