US2681015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work transfer device
Assignee: Udylite Corp
•
Filing: 1953-02-16
•
Granted: 1954-06-15
•
Expires: 1973-02-16
Abstract
No abstract record available.
Inventors
- 👤 John V Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:22
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/025; B65; B65G; B65G47/00; B65G47/52; B65G47/60; B65G47/61; B65G49/00; B65G49/02; B65G49/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US892543A
Cited
US2344155A
Cited
US2407620A
Cited
US2479322A
Cited
US2401942A
Cited
US2555072A
Cited
US2525327A
Cited
US2645186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |