Patent US3171039A successfully refreshed from Google Patents.
US3417807A
Expired / Lapsed
US
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Adapter for drapery support
Assignee: Individual
•
Filing: 1966-03-23
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Granted: 1968-12-24
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Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Douglass R Falkenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:58
CPC Classifications
A; A47; A47H; A47H19/00; A47H2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1980918A
Cited
US2316337A
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US2409425A
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US2588203A
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US2752991A
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US2986627A
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US3203469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |