US3343784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1966-04-21
•
Granted: 1967-09-26
•
Expires: 1986-04-21
Abstract
No abstract record available.
Inventors
- 👤 Frank M Waldhaus
- 👤 Norma J Waldhaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:42
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/12; A47G29/1209; A47G29/121; A47G2029/12105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A SIGNAL FOR A MAIL BOX HAVING A DOOR, COMPRISING: A BASE; A SIGNAL ARM; MEANS MOUNTING SAID SIGNAL ARM ADJACENT ONE END THEREOF ON SAID BASE FOR PIVOTAL MOVEMENT BETWEEN A SIGNALLING AND A NON-SIGNALLING POSITION; RESILIENT MEANS BIASING SAID SIGNAL ARM TO SAID SIGNALLING POSITION; AND MAGNETIC MEANS FOR RELEASABLY HOLDING SAID SIGNAL ARM IN THE NON-SIGNALLING POSITION AGAINST THE FORCE OF SAID BIASING MEANS, SAID MAGNETIC HOLDING MEANS BEING LOCATED ADJACENT THE OTHER END OF SAID SIGNAL ARM AND COMPRISING A PERMANENT MAGNET CARRIED BY ONE OF SAID SIGNAL ARM AND SAID BASE AND A COOPERATING MAGNETIC PORTION CARRIED BY THE OTHER OF SAID SIGNAL ARM AND SAID BASE, SAID SIGNAL ARM INCLUDING ADJACENT SAID OTHER END THEREOF, A FINGER PORTION; SAID BASE TO BE ATTACHED TO THE MAIL BOX WITH SAID FINGER PORTION DISPOSED ADJACENT TO AND IN THE PATH OF MOVEMENT OF THE MAIL BOX DOOR WHEREBY SAID FINGER IS ENGAGED BY THE MAIL BOX DOOR AS IT OPENS MOVING SAID OTHER END OF SAID ARM AWAY FROM SAID BASE AND RELEASING SAID MAGNETIC HOLDING MEANS THEREBY PERMITTING SAID RESILIENT MEANS TO PIVOT THE SIGNAL ARM TO THE SIGNALLING POSITION.
Claim 2
Dependent Claim
195 words
A SIGNAL FOR A MAIL BOX HAVING A DOOR, COMPRISING: A BASE; A SIGNAL ARM; MEANS MOUNTING SAID SIGNAL ARM ADJACENT ONE END THEREOF ON SAID BASE FOR PIVOTAL MOVEMENT BETWEEN A SIGNALLING AND A NON-SIGNALLING POSITION; RESILIENT MEANS BIASING SAID SIGNAL ARM TO SAID SIGNALLING POSITION; AND MAGNETIC MEANS FOR RELEASABLY HOLDING SAID SIGNAL ARM IN THE NON-SIGNALLING POSITION AGAINST THE FORCE OF SAID BIASING MEANS, SAID MAGNETIC HOLDING MEANS BEING LOCATED ADJACENT THE OTHER END OF SAID SIGNAL ARM AND COMPRISING A PERMANENT MAGNET CARRIED BY ONE OF SAID SIGNAL ARM AND SAID BASE AND A COOPERATING MAGNETIC PORTION CARRIED BY THE OTHER OF SAID SIGNAL ARM AND SAID BASE, SAID SIGNAL ARM INCLUDING ADJACENT SAID OTHER END THEREOF, A FINGER PORTION; SAID BASE TO BE ATTACHED TO THE MAIL BOX WITH SAID FINGER PORTION DISPOSED ADJACENT TO AND IN THE PATH OF MOVEMENT OF THE MAIL BOX DOOR WHEREBY SAID FINGER IS ENGAGED BY THE MAIL BOX DOOR AS IT OPENS MOVING SAID OTHER END OF SAID ARM AWAY FROM SAID BASE AND RELEASING SAID MAGNETIC HOLDING MEANS THEREBY PERMITTING SAID RESILIENT MEANS TO PIVOT THE SIGNAL ARM TO THE SIGNALLING POSITION.
References Cited (Backward Citations)
US3123935A
Cited
US2859913A
Cited
US2802622A
Cited
US3017073A
Cited
US3080107A
Cited
US3095140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |