Patent US3587222A successfully refreshed from Google Patents.
US3587222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear clock
Assignee: Individual
•
Filing: 1969-06-20
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Granted: 1971-06-28
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Expires: 1989-06-20
Abstract
Abstract A CLOCK FACE EMPLOYS A LINEAR SCALE ALONGSIDE AN ELONGATED SLOT. THE FACE IS POSITIONED OVER ONE OR A PAIR OF HELIZES SO THAT ONLY A SHORT, STRAIGHT-LINE SEGMENT IS VISIBLE THERETHROUGH. AS THE HELIZ OR PAIR OF HELIZES IS ROTATED BY THE CLOCK MOVEMENT, THE VISIBLE SEGMENTS TRAVEL LONGITUDINALLY OF THE SLOT AND INDICATE THE TIME.
Inventors
- 👤 Robert Mestrovic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:18
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/20; G04B19/21
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |