Patent US3233235A successfully refreshed from Google Patents.
US3233235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signaling level
Assignee: Individual
•
Filing: 1963-08-16
•
Granted: 1966-02-01
•
Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Wright Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:09
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/02; G01C9/06; G08; G08B; G08B21/00; G08B21/18; G08B21/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A SIGNALING LEVEL COMPRISING: A BODY HAVING A SUBSTANTIALLY FLAT SURFACE; SIGNALING MEANS OPERABLE BY ELECTRIC CURRENT; ELECTRIC CURRENT CIRCUIT MEANS ASSOCIATED WITH SAID BODY AND SAID SIGNALING MEANS FOR SUPPLYING ELECTRIC CURRENT TO SAID SIGNALING MEANS, SAID ELECTRIC CURRENT CIRCUIT MEANS INCLUDING SWITCH MEANS FOR SELECTABLY OPENING AND CLOSING SAID CIRCUIT MEANS; A WEIGHTED PENDULUM; MOUNTING MEANS FOR PIVOTALLY MOUNTING SAID PENDULUM TO SAID BODY; AND MAGNET MEANS INCLUDING AT LEAST ONE KNIFE EDGED MAGNET ASSOCIATED WITH SAID SWITCH MEANS AND SAID PENDULUM FOR CLOSING SAID SWITCH AND CIRCUIT MEANS BY MAGNETIC FORCE EXERTED BETWEEN PORTIONS OF SAID SWITCH AND SAID PENDULUM.
Claim 2
Dependent Claim
103 words
A SIGNALING LEVEL COMPRISING: A BODY HAVING A SUBSTANTIALLY FLAT SURFACE; SIGNALING MEANS OPERABLE BY ELECTRIC CURRENT; ELECTRIC CURRENT CIRCUIT MEANS ASSOCIATED WITH SAID BODY AND SAID SIGNALING MEANS FOR SUPPLYING ELECTRIC CURRENT TO SAID SIGNALING MEANS, SAID ELECTRIC CURRENT CIRCUIT MEANS INCLUDING SWITCH MEANS FOR SELECTABLY OPENING AND CLOSING SAID CIRCUIT MEANS; A WEIGHTED PENDULUM; MOUNTING MEANS FOR PIVOTALLY MOUNTING SAID PENDULUM TO SAID BODY; AND MAGNET MEANS INCLUDING AT LEAST ONE KNIFE EDGED MAGNET ASSOCIATED WITH SAID SWITCH MEANS AND SAID PENDULUM FOR CLOSING SAID SWITCH AND CIRCUIT MEANS BY MAGNETIC FORCE EXERTED BETWEEN PORTIONS OF SAID SWITCH AND SAID PENDULUM.
References Cited (Backward Citations)
US370013A
Cited
US723526A
Cited
FR416057A
Cited
US1058320A
Cited
US2611189A
Cited
US2600363A
Cited
US3056865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |