US2594033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gate control
Assignee: CRAIG KEMP Ltd
•
Filing: 1949-12-28
•
Granted: 1952-04-22
•
Expires: 1969-12-28
Abstract
No abstract record available.
Inventors
- 👤 Kemp Jack Voyna Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:50
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F13/00; E05F13/02; E05Y; E05Y2900/00; E05Y2900/40
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) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |