US1579715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: SHINGLE LOCK Co
•
Filing: 1923-02-09
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Granted: 1926-04-06
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Expires: 1943-02-09
Abstract
No abstract record available.
Inventors
- 👤 Bernie C Kridler
- 👤 James C Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:12
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/34; E04D1/29; E04D2001/3408; E04D2001/3411; E04D2001/3423; E04D2001/3452; E04D2001/3458; E04D2001/347; E04D2001/3482; E04D2001/3488; E04D2001/3491; Y; Y10; Y10T; Y10T403/00; Y10T403/75
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) | 1929-04-05 | 1929-10-05 | 1930-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-04-05 | 1933-10-05 | 1934-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-04-05 | 1937-10-05 | 1938-04-06 | $7700.00 | Window Closed / Lapsed |