Patent US3560073A successfully refreshed from Google Patents.
US3560073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retroreflective signal device
Assignee: Machinery Electrification Inc
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Filing: 1968-12-19
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Granted: 1971-02-02
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Expires: 1988-12-19
Abstract
Abstract THIS INVENTION RELATIVE TO A SIGNAL DEVICE AND, MORE PARTICULARLY, TO APPARATUS FOR USE IN SUPPLYING A PATTERN OF RETROREFFECTIVE SPOTS IN AN AUTOMOTIC WAREHOUSING ARRANGEMENT OR THE LIKE.
Inventors
- 👤 Leroy A Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:43
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/34; B65G47/46; B65G47/48; B65G47/49; B65G47/493
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |