US2442943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate forming machine
Assignee: EDWARD R WAYNE
•
Filing: 1941-09-02
•
Granted: 1948-06-08
•
Expires: 1961-09-02
Abstract
No abstract record available.
Inventors
- 👤 Albert F Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:48
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/06; B21D5/08; B21D5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US901364A
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US1822984A
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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) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |