Patent US111474A successfully refreshed from Google Patents.
US111474A
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US
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Improvement in machines for drilling and tapping water and gas-mains
Assignee: —
•
Filing: —
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Granted: 1871-01-31
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Expires: 1888-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:00
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; F16L41/06; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/6123; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5619; Y10T408/5623; Y10T408/56245
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) | 1874-01-30 | 1874-08-01 | 1875-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1878-01-30 | 1878-08-01 | 1879-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1882-01-30 | 1882-08-01 | 1883-01-31 | $7700.00 | Window Closed / Lapsed |