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US2640601A
Expired / Lapsed
US
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Drapery support
Assignee: Individual
•
Filing: 1951-08-06
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Granted: 1953-06-02
•
Expires: 1971-08-06
Abstract
No abstract record available.
Inventors
- 👤 John A Van Wie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:11
CPC Classifications
A; A63; A63J; A63J1/00; A63J1/02; A63J1/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US524174A
Cited
US662089A
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US916680A
Cited
US1237860A
Cited
GB168493A
Cited
US2209596A
Cited
US2441247A
Cited
US2390117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |