US2743629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making tools and dies
Assignee: PHOTO COLOR PROCESS Corp
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Filing: 1952-11-18
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Granted: 1956-05-01
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Expires: 1972-11-18
Abstract
No abstract record available.
Inventors
- 👤 Pellegrino Peter
- 👤 Pellegrino S William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/0017; B; B21; B21D; B21D37/00; B21D37/20; B21D37/205
Claims Analysis
Total Claims: 0
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |