Patent FR2449440B1 successfully refreshed from Google Patents.
US2634020A
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Assignee: DOEHLER JARVIS CORP
•
Filing: 1948-05-19
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Granted: 1953-04-07
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Expires: 1968-05-19
Abstract
No abstract record available.
Inventors
- 👤 Howard W Bartholomew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:30
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0209; B65D21/0216; Y; Y10; Y10S; Y10S220/00; Y10S220/15
Claims Analysis
Total Claims: 0
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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) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |