Patent DE567999C successfully refreshed from Google Patents.
US2466951A
Expired / Lapsed
US
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Endless cord for venetian blinds
Assignee: Hunter Douglas Inc
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Filing: 1946-06-03
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Granted: 1949-04-12
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Expires: 1966-06-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/307; E06B2009/285; Y; Y10; Y10S; Y10S273/00; Y10S273/06; Y10T; Y10T24/00; Y10T24/16; Y10T24/1664
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2298676A
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US2298538A
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US2279300A
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US2389560A
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US2367725A
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US2432870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |