Patent US1995889A successfully refreshed from Google Patents.
US1995889A
Expired / Lapsed
US
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Safety device for conveyances
Assignee: Individual
•
Filing: 1933-12-30
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Granted: 1935-03-26
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Expires: 1953-12-30
Abstract
No abstract record available.
Inventors
- 👤 Landry Eleonor Ronaldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:57
CPC Classifications
E; E05; E05B; E05B77/00; E05B77/54; E05B65/00; E05B65/0003; E05B81/00; E05B81/02; E05B81/04; E05B81/08; Y; Y10; Y10S; Y10S292/00; Y10S292/03; Y10S292/18; Y10S292/49; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0849; Y10T70/00; Y10T70/60; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7124
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) | 1938-03-25 | 1938-09-24 | 1939-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-25 | 1942-09-24 | 1943-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-25 | 1946-09-24 | 1947-03-26 | $7700.00 | Window Closed / Lapsed |