US1894093A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1931-04-17
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Granted: 1933-01-10
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Expires: 1951-04-17
Abstract
No abstract record available.
Inventors
- 👤 James J Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:49
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/06; A63B71/0619; A63B71/0669; A63B71/0672; A63B2102/00; A63B2102/02; A63B2102/18; A63B2102/32; A63B2102/34; A63B2243/00; A63B2243/0025; A63B2243/0066; A63B2243/007; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1402; Y10T24/1406; Y10T24/34
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) | 1936-01-10 | 1936-07-11 | 1937-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-10 | 1940-07-11 | 1941-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-10 | 1944-07-11 | 1945-01-10 | $7700.00 | Window Closed / Lapsed |