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US873649A
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Assignee: WEIR FROG Co
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Filing: 1907-03-19
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Granted: 1907-12-10
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Expires: 1927-03-19
Abstract
No abstract record available.
Inventors
- 👤 William W Allen
- 👤 John Metzger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:04
CPC Classifications
B; B61; B61L; B61L5/00; B61L5/02; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32336; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2151; Y10T74/2173; Y10T74/2179
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) | 1910-12-09 | 1911-06-10 | 1911-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-12-09 | 1915-06-10 | 1915-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-12-09 | 1919-06-10 | 1919-12-10 | $7700.00 | Window Closed / Lapsed |