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US2842857A
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Apparatus for pattern development
Assignee: FABIO G HALPHEN JR
•
Filing: 1955-11-08
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Granted: 1958-07-15
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Expires: 1975-11-08
Abstract
No abstract record available.
Inventors
- 👤 Charles H Whitten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:44
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US679261A
Cited
GB190814712A
Cited
US1693227A
Cited
GB564645A
Cited
US2547745A
Cited
US2653387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |