Patent US1919429A successfully refreshed from Google Patents.
US1919429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copy holder
Assignee: ERROR NO Inc
•
Filing: 1931-07-10
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Granted: 1933-07-25
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Expires: 1951-07-10
Abstract
No abstract record available.
Inventors
- 👤 Clair C Harper
- 👤 Eugene F Kitendaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:55
CPC Classifications
B; B42; B42D; B42D9/00; B42D9/04
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) | 1936-07-24 | 1937-01-23 | 1937-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-24 | 1941-01-23 | 1941-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-24 | 1945-01-23 | 1945-07-25 | $7700.00 | Window Closed / Lapsed |