Patent US1152530A successfully refreshed from Google Patents.
US1152530A
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US
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Clamping device.
Assignee: HAWTHORNE MANUFACTURING COMPANY Inc
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Filing: 1912-06-04
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Granted: 1915-09-07
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Expires: 1932-06-04
Abstract
No abstract record available.
Inventors
- 👤 Edward J Madden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:02
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/08; A61; A61M; A61M5/00; A61M5/14; A61M5/1414; A61M5/1417
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) | 1918-09-06 | 1919-03-08 | 1919-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-09-06 | 1923-03-08 | 1923-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-09-06 | 1927-03-08 | 1927-09-07 | $7700.00 | Window Closed / Lapsed |