Patent US2331382A successfully refreshed from Google Patents.
US2331382A
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Drafting machine brake
Assignee: EDWARD FLOYD EUBANKS
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Filing: 1939-11-06
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Granted: 1943-10-12
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Expires: 1959-11-06
Abstract
No abstract record available.
Inventors
- 👤 Floyd G Eubanks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:16
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/02; B43L13/04; B43L13/06; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32016; Y10T403/32081; Y10T403/32254; Y10T403/32262; Y10T403/32286; Y10T403/32319; Y10T403/32606; Y10T403/32951; Y10T403/32959
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) | 1946-10-11 | 1947-04-12 | 1947-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-11 | 1951-04-12 | 1951-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-11 | 1955-04-12 | 1955-10-12 | $7700.00 | Window Closed / Lapsed |