Patent US1799716A successfully refreshed from Google Patents.
US1799716A
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US
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Assignee: Individual
•
Filing: 1925-09-28
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Granted: 1931-04-07
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Expires: 1945-09-28
Abstract
No abstract record available.
Inventors
- 👤 Birdora H White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:02
CPC Classifications
A; A41; A41F; A41F1/00; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45037; Y10T24/45058; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/45796; Y10T24/45806
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) | 1934-04-06 | 1934-10-06 | 1935-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-04-06 | 1938-10-06 | 1939-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-04-06 | 1942-10-06 | 1943-04-07 | $7700.00 | Window Closed / Lapsed |