US1757548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1929-08-02
•
Granted: 1930-05-06
•
Expires: 1949-08-02
Abstract
No abstract record available.
Inventors
- 👤 William P Schissler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/14; E21D15/28; E21D15/32; B; B25; B25B; B25B1/00; B25B1/20; B25B5/00; B25B5/06; B25B5/10; B25B5/103; B25B5/14; B25B5/147; Y; Y10; Y10S; Y10S24/00; Y10S24/22; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/3938; Y10T24/44; Y10T24/44291; Y10T24/44342; Y10T24/4435; Y10T24/44496; Y10T24/44504; Y10T24/44564
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) | 1933-05-05 | 1933-11-04 | 1934-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-05-05 | 1937-11-04 | 1938-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-05-05 | 1941-11-04 | 1942-05-06 | $7700.00 | Window Closed / Lapsed |