US3293331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming replicas of contoured substrates
Assignee: Arthur D Little Inc
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Filing: 1962-11-13
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Granted: 1966-12-20
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Paul E Doherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:48
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/30; G02B5/3025; G02B5/3058; C; C25; C25D; C25D1/00; G02B5/18; G02B5/1847; G02B5/1852; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
METHOD OF INCREASING THE HEIGHT OF THE PEAKS OF A REPLICA FORMED FROM A CORRUGATED SUBSTRATE CONSISTING OF PERIODICALLY RECURRING PEAKS AND VALLEYS, CHARACTERIZED BY THE STEP OF SHADOWING THE RIDGES OF SAID PEAKS PRIOR TO THE FORMATION OF SAID REPLICA.
Claim 2
Dependent Claim
41 words
METHOD OF INCREASING THE HEIGHT OF THE PEAKS OF A REPLICA FORMED FROM A CORRUGATED SUBSTRATE CONSISTING OF PERIODICALLY RECURRING PEAKS AND VALLEYS, CHARACTERIZED BY THE STEP OF SHADOWING THE RIDGES OF SAID PEAKS PRIOR TO THE FORMATION OF SAID REPLICA.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |