Patent US2649393A successfully refreshed from Google Patents.
US2649393A
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Method of making venetian blind slats
Assignee: WILLIAM VOLKER AND Co
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Filing: 1948-08-02
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Granted: 1953-08-18
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Expires: 1968-08-02
Abstract
No abstract record available.
Inventors
- 👤 George T Cumming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:58
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF PRODUCING VENETIAN BLIND SLATS WHICH COMPRISES CONTINUOUSLY FEEDING A FLAT FLEXIBLE TAPE ALONG A PREDETERMINED PATH OF TRAVEL; SIMULTANEOUSLY FEEDING A PAIR OF WIRES ALONG ONE FACE OF THE TAPE; FOLDING PORTIONS OF THE TAPE OVER THE WIRES; AND JOINING SAID PORTIONS OF THE TAPE TO SAID ONE FACE THEREOF AS THE WIRES AND THE TAPE PROGRESS TOGETHER.
Claim 2
Independent Claim
61 words
THE METHOD OF PRODUCING VENETIAN BLIND SLATS WHICH COMPRISES CONTINUOUSLY FEEDING A FLAT FLEXIBLE TAPE ALONG A PREDETERMINED PATH OF TRAVEL; SIMULTANEOUSLY FEEDING A PAIR OF WIRES ALONG ONE FACE OF THE TAPE; FOLDING PORTIONS OF THE TAPE OVER THE WIRES; AND JOINING SAID PORTIONS OF THE TAPE TO SAID ONE FACE THEREOF AS THE WIRES AND THE TAPE PROGRESS TOGETHER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |