Patent US727548A successfully refreshed from Google Patents.
US727548A
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US
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Pump-rod coupling.
Assignee: Individual
•
Filing: 1903-01-12
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Granted: 1903-05-05
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Expires: 1923-01-12
Abstract
No abstract record available.
Inventors
- 👤 Charles J Le Valley
- 👤 William T Bird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:14
CPC Classifications
F; F16; F16B; F16B1/00; B; B62; B62K; B62K25/00; B62K25/02; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17769; Y10T403/00; Y10T403/59; Y10T403/591; Y10T403/595
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) | 1906-05-04 | 1906-11-03 | 1907-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-04 | 1910-11-03 | 1911-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-04 | 1914-11-03 | 1915-05-05 | $7700.00 | Window Closed / Lapsed |