US1023260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-treating apparatus.
Assignee: MCCREERY ENGINEERING Co
•
Filing: 1910-05-16
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Granted: 1912-04-16
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Expires: 1930-05-16
Abstract
No abstract record available.
Inventors
- 👤 Daniel M Luehrs
- 👤 William S Conant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; F; F24; F24F; F24F6/00; F24F6/12; F24F6/14; F24F2006/146; Y; Y10; Y10S; Y10S261/00; Y10S261/34
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) | 1915-04-16 | 1915-10-16 | 1916-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-04-16 | 1919-10-16 | 1920-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-04-16 | 1923-10-16 | 1924-04-16 | $7700.00 | Window Closed / Lapsed |