Patent US2219784A successfully refreshed from Google Patents.
US2219784A
Expired / Lapsed
US
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Rolling tool
Assignee: J FAESSLER Manufacturing Co
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Filing: 1937-12-31
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Granted: 1940-10-29
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Expires: 1957-12-31
Abstract
No abstract record available.
Inventors
- 👤 Graves R Maupin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:37
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/08; B21D39/10; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-29 | 1944-04-29 | 1944-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-29 | 1948-04-29 | 1948-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-29 | 1952-04-29 | 1952-10-29 | $7700.00 | Window Closed / Lapsed |