← Back to Patent Explorer
US3825181A Expired / Lapsed US ⏱️ 0.0 years remaining

Tide and time calculating device

Assignee: Individual
•
Filing: 1972-04-11
•
Granted: 1974-07-23
•
Expires: 1992-04-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A time and tide calculating device that registers the tides and time of the tides, comprising a base having a standard time dial face imprinted upon same and a rotatable concentric tide calandar dial member, associated with said time dial and base peripherally adjacent and for indicative registration with the calibrations of said time dial. Another smaller tide selector dial concentric and rotatable independently to the other dial members and base, having exact tide definitions and markings with arrows settable to the calandar dial below it, so that the tide and time values can be pre-set upon a calculator or time piece so as to render this important information, necessary to all navigation.

Inventors

  • 👤 P Banner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:55
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/26; G04B19/266; G06; G06C; G06C3/00

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 75 words
A time and tide indicating device of the character described, comprising a base member with a twelve numeral clock face, movable hour and minute hands associated therewith, a movable calendar disc associated therewith and having intervally spaced markers extending about the periphery and said markers spaced apart at approximately 50 minute intervals, a movable tide disc associated therewith and having four spaced markers and a movable AM PM disc associated therewith having an indicating pointer.
Claim 2
Dependent Claim 75 words
A time and tide indicating device of the character described, comprising a base member with a twelve numeral clock face, movable hour and minute hands associated therewith, a movable calendar disc associated therewith and having intervally spaced markers extending about the periphery and said markers spaced apart at approximately 50 minute intervals, a movable tide disc associated therewith and having four spaced markers and a movable AM PM disc associated therewith having an indicating pointer.
Claim 3
Dependent Claim 20 words
A time and tide indicating device as in claim 1 having a motor to drive said hour and minute hands.
Claim 4
Dependent Claim 18 words
A time and tide indicating device as in claim 1 wherein said movable calendar disc is operated manually.
Claim 5
Dependent Claim 17 words
A time and tide indicating device as in claim 1 wherein said tide disc is operated manually.
Claim 6
Dependent Claim 21 words
A time and tide indicating device as in claim 1 wherein said AM PM disc and said pointer is operated manually.

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) 1977-07-22 1978-01-21 1978-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-22 1982-01-21 1982-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-22 1986-01-21 1986-07-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag