Patent US1129755A successfully refreshed from Google Patents.
US1129755A
Expired / Lapsed
US
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Car attachment.
Assignee: JOEL DE VAULT
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Filing: 1914-07-22
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Granted: 1915-02-23
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Expires: 1934-07-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Suprunowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:42
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B01D45/16
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) | 1918-02-22 | 1918-08-24 | 1919-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-02-22 | 1922-08-24 | 1923-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-02-22 | 1926-08-24 | 1927-02-23 | $7700.00 | Window Closed / Lapsed |