Patent US2039019A successfully refreshed from Google Patents.
US2039019A
Expired / Lapsed
US
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Delayed control timelock guard
Assignee: Diebold Safe & Lock Co
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Filing: 1933-11-15
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Granted: 1936-04-28
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Expires: 1953-11-15
Abstract
No abstract record available.
Inventors
- 👤 William C Miller
- 👤 Paul M Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:47
CPC Classifications
E; E05; E05B; E05B43/00; Y; Y10; Y10S; Y10S70/00; Y10S70/58; Y10T; Y10T70/00; Y10T70/30; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5624; Y10T70/5628; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5774; Y10T70/70; Y10T70/7006; Y10T70/7011; Y10T70/7017; Y10T70/7153; Y10T70/7424; Y10T70/80; Y10T70/8297
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) | 1939-04-28 | 1939-10-28 | 1940-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-28 | 1943-10-28 | 1944-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-28 | 1947-10-28 | 1948-04-28 | $7700.00 | Window Closed / Lapsed |