US917642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door-operating device.
Assignee: Consolidated Car Heating Co Inc
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Filing: 1907-11-23
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Granted: 1909-04-06
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Expires: 1927-11-23
Abstract
No abstract record available.
Inventors
- 👤 James F Mcelroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:17
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; B23Q5/268; F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/12
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) | 1912-04-05 | 1912-10-05 | 1913-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-04-05 | 1916-10-05 | 1917-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-04-05 | 1920-10-05 | 1921-04-06 | $7700.00 | Window Closed / Lapsed |