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US1884458A
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Assignee: UNITED STATES FIRE PROTECTION Corp
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Filing: 1929-04-13
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Granted: 1932-10-25
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Expires: 1949-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl J Willenborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:35
CPC Classifications
F; F16; F16K; F16K17/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/2931; Y10T137/2937; Y10T137/2978; Y10T137/6851; Y10T137/7036; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/8593; Y10T137/86493; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87917; Y10T137/87981; Y10T137/88054
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) | 1935-10-25 | 1936-04-25 | 1936-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-25 | 1940-04-25 | 1940-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-25 | 1944-04-25 | 1944-10-25 | $7700.00 | Window Closed / Lapsed |