Patent US1147237A successfully refreshed from Google Patents.
US1147237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube-cleaning apparatus.
Assignee: LAGONDA MANUFACTURING Co
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Filing: 1912-04-05
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Granted: 1915-07-20
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Expires: 1932-04-05
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Hauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:14
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/049; B08B9/051
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) | 1918-07-19 | 1919-01-18 | 1919-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-19 | 1923-01-18 | 1923-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-19 | 1927-01-18 | 1927-07-20 | $7700.00 | Window Closed / Lapsed |