US3220547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mail sorting apparatus
Assignee: ECON O POST CORP
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Filing: 1964-01-02
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Granted: 1965-11-30
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Edward A Krupotich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:05
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/16; B07C5/165; B07C1/00; B07C1/10; B07C5/22; Y; Y10; Y10S; Y10S209/00; Y10S209/90; Y10S209/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A MAIL SORTING APPARATUS COMPRISING MEANS DEFINING A MAIL DEPOSITORY ZONE ADAPTED TO RECEIVE A QUANTITY OF ENVELOPES OF DIFFERING RANDOMLY OCCURRING THICKNESS AND WEIGHTS, A SERIES OF BI-STABLE WEIGHING PLATFORMS DEFINING A PATH OF MAIL MOVEMENT AND ADAPTED TO RECEIVE SAID ENVELOPES, EACH OF SAID PLATFORMS BEING ARRANGED FOR VERTICAL WEIGHING MOVEMENT FROM A RAISED TO A LOWERED POSITION UPON RECEIVING THEREON AN ENVELOPE OF A PREDETERMINED MINIMUM WEIGHT, INTERMITTENTLY MOVING CONVEYOR MEANS DISPOSED ADJACENT SAID SERIES OF PLATFORMS FOR MOVING ENVELOPES THEREALONG, FEEDING MEANS FOR SEPARATING AND FEEDING EACH OF SAID ENVELOPES INDIVIDUALLY FROM SAID DEPOSITORY ZONE TO SAID SERIES OF PLATFORMS AND SAID CONVEYOR MEANS, A PLURALITY OF CRIBS, EACH OF SAID CRIBS BEING DISPOSED BELOW A DIFFERENT ONE OF SAID WEIGHING PLATFORMS FOR RECEIVING ENVELOPES FROM THE PLATFORMS, SENSING AND DIVERTING MEANS ASSOCIATED WITH EACH OF SAID PLATFORMS FOR SENSING PLATFORM MOVEMENT TO THE LOWERED POSITION THEREOF AND FOR TIPPING THE LOWERED PLATFORM DOWNWARDLY AND REARWARDLY ABOUT AN AXIS EXTENDING TRANSVERSELY OF THE PATH TO DIVERT THE ENVELOPE ON THE LOWERED PLATFORM TO ITS ASSOCIATED CRIB.
Claim 2
Dependent Claim
180 words
A MAIL SORTING APPARATUS COMPRISING MEANS DEFINING A MAIL DEPOSITORY ZONE ADAPTED TO RECEIVE A QUANTITY OF ENVELOPES OF DIFFERING RANDOMLY OCCURRING THICKNESS AND WEIGHTS, A SERIES OF BI-STABLE WEIGHING PLATFORMS DEFINING A PATH OF MAIL MOVEMENT AND ADAPTED TO RECEIVE SAID ENVELOPES, EACH OF SAID PLATFORMS BEING ARRANGED FOR VERTICAL WEIGHING MOVEMENT FROM A RAISED TO A LOWERED POSITION UPON RECEIVING THEREON AN ENVELOPE OF A PREDETERMINED MINIMUM WEIGHT, INTERMITTENTLY MOVING CONVEYOR MEANS DISPOSED ADJACENT SAID SERIES OF PLATFORMS FOR MOVING ENVELOPES THEREALONG, FEEDING MEANS FOR SEPARATING AND FEEDING EACH OF SAID ENVELOPES INDIVIDUALLY FROM SAID DEPOSITORY ZONE TO SAID SERIES OF PLATFORMS AND SAID CONVEYOR MEANS, A PLURALITY OF CRIBS, EACH OF SAID CRIBS BEING DISPOSED BELOW A DIFFERENT ONE OF SAID WEIGHING PLATFORMS FOR RECEIVING ENVELOPES FROM THE PLATFORMS, SENSING AND DIVERTING MEANS ASSOCIATED WITH EACH OF SAID PLATFORMS FOR SENSING PLATFORM MOVEMENT TO THE LOWERED POSITION THEREOF AND FOR TIPPING THE LOWERED PLATFORM DOWNWARDLY AND REARWARDLY ABOUT AN AXIS EXTENDING TRANSVERSELY OF THE PATH TO DIVERT THE ENVELOPE ON THE LOWERED PLATFORM TO ITS ASSOCIATED CRIB.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |