Patent US1749207A successfully refreshed from Google Patents.
US1749207A
Expired / Lapsed
US
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Nonslipping device
Assignee: Individual
•
Filing: 1923-10-08
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Granted: 1930-03-04
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Expires: 1943-10-08
Abstract
No abstract record available.
Inventors
- 👤 Robert S Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:34
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/02; B29C59/04; A; A63; A63B; A63B53/00; A63B53/14; A63B60/00; A63B60/06; A63B60/14; B29C59/022; B29K; B29K2021/00; Y; Y10; Y10S; Y10S16/00; Y10S16/12
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) | 1933-03-03 | 1933-09-02 | 1934-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-03 | 1937-09-02 | 1938-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-03 | 1941-09-02 | 1942-03-04 | $7700.00 | Window Closed / Lapsed |