Patent US3108367A successfully refreshed from Google Patents.
US3108367A
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Continuous method of manufacturing cellular cored panels
Assignee: Formacel Inc
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Filing: 1959-04-06
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Granted: 1963-10-29
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 Charles W Christman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:16
CPC Classifications
B; B21; B21D; B21D47/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828; Y10T29/49829; Y10T29/49879; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE CONTINUOUS PROCESS OF MANUFACTURING COVERED CELLULAR CORE MATERIAL, WHICH COMPRISES: PROGRESSIVELY LONGITUDINALLY ADVANCING A CONTINUOUS FLAT METAL SHEET; PROGRESSIVELY FORMING SAID SHEET INTO A LONGITUDINALLY CORRUGATED CONFIGURATION DEFINING TRANSVERSELY ALTERNATING CRESTS AND TROUGHS; PROGRESSIVELY PROVIDING LONGITUDINALLY SPACED FIRST SETS OF TRANSVERSE CUTS THROUGH THE TROUGHS OF SAID
Claim 2
Dependent Claim
48 words
THE CONTINUOUS PROCESS OF MANUFACTURING COVERED CELLULAR CORE MATERIAL, WHICH COMPRISES: PROGRESSIVELY LONGITUDINALLY ADVANCING A CONTINUOUS FLAT METAL SHEET; PROGRESSIVELY FORMING SAID SHEET INTO A LONGITUDINALLY CORRUGATED CONFIGURATION DEFINING TRANSVERSELY ALTERNATING CRESTS AND TROUGHS; PROGRESSIVELY PROVIDING LONGITUDINALLY SPACED FIRST SETS OF TRANSVERSE CUTS THROUGH THE TROUGHS OF SAID
References Cited (Backward Citations)
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US2001632A
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |