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US891519A
Expired / Lapsed
US
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Rod-packing.
Assignee: Ingersoll Rand Co
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Filing: 1906-12-04
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Granted: 1908-06-23
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Expires: 1926-12-04
Abstract
No abstract record available.
Inventors
- 👤 Robert L Ambrose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:37
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/182; Y; Y10; Y10S; Y10S285/00; Y10S285/91
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) | 1911-06-23 | 1911-12-23 | 1912-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-06-23 | 1915-12-23 | 1916-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-06-23 | 1919-12-23 | 1920-06-23 | $7700.00 | Window Closed / Lapsed |