Patent US1930560A successfully refreshed from Google Patents.
US1930560A
Expired / Lapsed
US
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Seal
Assignee: INTERNAT SEAL AND KNOT PROTECT
•
Filing: 1933-02-18
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Granted: 1933-10-17
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Expires: 1953-02-18
Abstract
No abstract record available.
Inventors
- 👤 Keidel Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:30
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0347; G09F3/0358; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T292/00; Y10T292/48; Y10T292/4945; Y10T292/496; Y10T292/513; Y10T292/522; Y10T292/528
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) | 1936-10-16 | 1937-04-17 | 1937-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-16 | 1941-04-17 | 1941-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-16 | 1945-04-17 | 1945-10-17 | $7700.00 | Window Closed / Lapsed |