US2756850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive mechanism
Assignee: Baker Raulang Co
•
Filing: 1952-04-11
•
Granted: 1956-07-31
•
Expires: 1972-04-11
Abstract
No abstract record available.
Inventors
- 👤 Frank J Schenkelberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:25
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |