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Patent US3344641A successfully refreshed from Google Patents.
US3344641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for treating sheet metal strip
Assignee: Eastern Products Corp
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Filing: 1965-08-11
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Granted: 1967-10-03
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Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 Alexander M Pomory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:40
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/06; B21D5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
THE METHOD OF PREPARING RELATIVELY THIN, NARROW STRIP MATERIAL FOR USE AS SLATS FOR VENETIAN BLINDS AND THE LIKE, WHICH COMPRISISES FORMING LONGITUDINALLY EXTENDING CORRUGATIONS ALONG SAID STRIP MATERIAL; AND SUBSEQUENTLY REDUCING THE EFFECT OF SAID CORRUGATIONGS NEAR THE EDGES OF SAID STRIP MATERIAL WHILE RETAINING SAID CORRUGATIONS IN THE LONGITUDINAL CENTRAL REGION OF SAID STRIP MATERIAL.
Claim 2
Independent Claim
57 words
THE METHOD OF PREPARING RELATIVELY THIN, NARROW STRIP MATERIAL FOR USE AS SLATS FOR VENETIAN BLINDS AND THE LIKE, WHICH COMPRISISES FORMING LONGITUDINALLY EXTENDING CORRUGATIONS ALONG SAID STRIP MATERIAL; AND SUBSEQUENTLY REDUCING THE EFFECT OF SAID CORRUGATIONGS NEAR THE EDGES OF SAID STRIP MATERIAL WHILE RETAINING SAID CORRUGATIONS IN THE LONGITUDINAL CENTRAL REGION OF SAID STRIP MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |