US2705002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engines having auxiliary drives
Assignee: Hart Carter Co
•
Filing: 1952-07-02
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Granted: 1955-03-29
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Expires: 1972-07-02
Abstract
No abstract record available.
Inventors
- 👤 Alfred S Bosma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:30
CPC Classifications
F; F02; F02B; F02B67/00; F02B67/04; Y; Y10; Y10S; Y10S123/00; Y10S123/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |