Patent US2001491A successfully refreshed from Google Patents.
US2001491A
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Process of and apparatus for marking
Assignee: Okonite Co
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Filing: 1932-12-23
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Granted: 1935-05-14
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Expires: 1952-12-23
Abstract
No abstract record available.
Inventors
- 👤 Hendey Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:55
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/34; B; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C2795/00; B29C2795/002; B29C48/001; B29C48/0021; B29C48/0023; B29C48/05; B29C48/07; B29C48/08; B29C48/15; B29C48/154; B29C48/156; B29C48/16; B29C48/18; B29C48/21; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29L; B29L2031/00; B29L2031/06; Y; Y10; Y10S; Y10S101/00; Y10S101/39
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) | 1938-05-13 | 1938-11-12 | 1939-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-13 | 1942-11-12 | 1943-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-13 | 1946-11-12 | 1947-05-14 | $7700.00 | Window Closed / Lapsed |