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US1807367A
Expired / Lapsed
US
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Railway bolt tightener
Assignee: WOOLERY MACHINE Co
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Filing: 1929-01-30
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Granted: 1931-05-26
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Expires: 1949-01-30
Abstract
No abstract record available.
Inventors
- 👤 Horace E Woolery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:59
CPC Classifications
E; E01; E01B; E01B29/00; E01B29/24; E01B29/28; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/556; Y10T408/5565; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/19274
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) | 1934-05-25 | 1934-11-24 | 1935-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-25 | 1938-11-24 | 1939-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-25 | 1942-11-24 | 1943-05-26 | $7700.00 | Window Closed / Lapsed |