Patent US2597224A successfully refreshed from Google Patents.
US2597224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drapery track and roller assembly
Assignee: Individual
•
Filing: 1950-10-21
•
Granted: 1952-05-20
•
Expires: 1970-10-21
Abstract
No abstract record available.
Inventors
- 👤 Charron Charles Stanfield
- 👤 Garvin Alexander James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:27
CPC Classifications
A; A47; A47H; A47H15/00; A47H15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US473131A
Cited
DE587968C
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US1023963A
Cited
US1460335A
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US1490322A
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US1764891A
Cited
FR730857A
Cited
CH189369A
Cited
FR821470A
Cited
US2253427A
Cited
US2231305A
Cited
US2523888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |