US1847898A
Expired / Lapsed
US
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Assignee: GEMEX CO
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Filing: 1931-11-18
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Granted: 1932-03-01
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Expires: 1951-11-18
Abstract
No abstract record available.
Inventors
- 👤 Prestinari Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:09
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/001; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1321; Y10T24/19; Y10T24/1983; Y10T24/199; Y10T24/34; Y10T24/3427; Y10T24/3428; Y10T24/3431; Y10T24/3439; Y10T24/344; Y10T24/3444
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) | 1935-03-01 | 1935-08-31 | 1936-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-01 | 1939-08-31 | 1940-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-01 | 1943-08-31 | 1944-03-01 | $7700.00 | Window Closed / Lapsed |