US3144986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mailbox signalling apparatus
Assignee: Individual
•
Filing: 1962-03-09
•
Granted: 1964-08-18
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:05
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/12; A47G29/1209; A47G29/121; A47G2029/12105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN AUTOMATIC SIGNALLING DEVICE FOR A MAILBOX HAVING A DOOR AT ONE END HINGED TO OPEN OUTWARDLY, COMPRISING: A BEAM HINGED AT ITS FORWARD END TO SAID DOOR AND SLIDABLY DISPOSED IN A LOOP AFFIXED TO A SIDE OF SAID MAILBOX AT A LOCATION REMOTE FROM SAID DOOR; A PIVOT AFFIXED TO SAID MAILBOX; A STAFF ROTATABLY MOUNTED ON SAID PIVOT AND LONGITUDINALLY SLIDABLE WITH RESPECT TO SAID PIVOT; SIGNAL MEANS MOUNTED UPON SAID STAFF AND ADAPTED TO BE CARRIED THEREBY FROM A DISPLAYED POSITION TO A RETRACTED POSITION; RESILIENT BIASING MEANS HAVING ONE END THEREOF AFFIXED TO SAID MAILBOX AND THE OTHER END THEREOF SELECTIVELY ENGAGEABLE WITH FIRST ANCHORING MEANS AFFIXED TO SAID MAILBOX OR SECOND ANCHORING MEANS AFFIXED TO SAID STAFF; DETAINING MEANS ON SAID BEAM FOR SELECTIVE ENGAGEMENT WITH SAID STAFF; AND STOP MEANS MOUNTED ON SAID BEAM FOR ALTERNATIVE ENGAGEMENT WITH SAID STAFF.
Claim 2
Dependent Claim
147 words
AN AUTOMATIC SIGNALLING DEVICE FOR A MAILBOX HAVING A DOOR AT ONE END HINGED TO OPEN OUTWARDLY, COMPRISING: A BEAM HINGED AT ITS FORWARD END TO SAID DOOR AND SLIDABLY DISPOSED IN A LOOP AFFIXED TO A SIDE OF SAID MAILBOX AT A LOCATION REMOTE FROM SAID DOOR; A PIVOT AFFIXED TO SAID MAILBOX; A STAFF ROTATABLY MOUNTED ON SAID PIVOT AND LONGITUDINALLY SLIDABLE WITH RESPECT TO SAID PIVOT; SIGNAL MEANS MOUNTED UPON SAID STAFF AND ADAPTED TO BE CARRIED THEREBY FROM A DISPLAYED POSITION TO A RETRACTED POSITION; RESILIENT BIASING MEANS HAVING ONE END THEREOF AFFIXED TO SAID MAILBOX AND THE OTHER END THEREOF SELECTIVELY ENGAGEABLE WITH FIRST ANCHORING MEANS AFFIXED TO SAID MAILBOX OR SECOND ANCHORING MEANS AFFIXED TO SAID STAFF; DETAINING MEANS ON SAID BEAM FOR SELECTIVE ENGAGEMENT WITH SAID STAFF; AND STOP MEANS MOUNTED ON SAID BEAM FOR ALTERNATIVE ENGAGEMENT WITH SAID STAFF.
References Cited (Backward Citations)
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Cited
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Cited
US2812130A
Cited
US2874896A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |