US2219650A
Expired / Lapsed
US
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Assignee: General Register Corp
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Filing: 1938-08-16
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Granted: 1940-10-29
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Expires: 1958-08-16
Abstract
No abstract record available.
Inventors
- 👤 Reuben H Helsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:50
CPC Classifications
G; G07; G07B; G07B3/00; G07B3/02; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/091; Y10T83/096; Y10T83/098; Y10T83/222; Y10T83/444; Y10T83/4443; Y10T83/4564; Y10T83/4567; Y10T83/4587; Y10T83/4589; Y10T83/4622; Y10T83/4627; Y10T83/505; Y10T83/869; Y10T83/8776; Y10T83/8778
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 |