US3513900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain drawing mechanism
Assignee: Individual
•
Filing: 1967-06-29
•
Granted: 1970-05-26
•
Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ronfola Rosolino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:29
CPC Classifications
A; A47; A47H; A47H5/00; A47H5/02; A47H5/032; A47H5/0325; E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/36; E06B9/362; E06B9/364; E06B9/368; A47H23/00; A47H23/02; A47H2023/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1480918A
Cited
US1554863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |