US806464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-controlling device for the air-springs of printing-presses.
Assignee: CB Cottrell and Sons Co
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Filing: 1905-03-03
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Granted: 1905-12-05
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Expires: 1925-03-03
Abstract
No abstract record available.
Inventors
- 👤 Charles P Cottrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:21
CPC Classifications
B; B41; B41F; B41F3/00; B41F3/46; B41F3/58; F; F16; F16F; F16F1/00; F16F1/02; F16F1/04; F16F1/041
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) | 1908-12-04 | 1909-06-05 | 1909-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-12-04 | 1913-06-05 | 1913-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-12-04 | 1917-06-05 | 1917-12-05 | $7700.00 | Window Closed / Lapsed |