US3136424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic mail sorting system
Assignee: TDK Micronas GmbH
•
Filing: 1959-06-24
•
Granted: 1964-06-09
•
Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Stanford B Silverschotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:35
CPC Classifications
B; B07; B07C; B07C3/00; B07C3/10; B07C3/16; Y; Y10; Y10S; Y10S209/00; Y10S209/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A POSTAGE STAMP FOR USE ON MAIL CONTAINING MAGNETICALLY PERMEABLE MATERIAL WHEREIN THE DENOMINATION OF SAID STAMP AND THE DESTINATION INFORMATION FOR SAID MAIL IS ENCODED IN SAID MAGNETIC MATERIAL, SAID DENOMINATION INFORMATION COMPRISING DISCRETE MAGNETIZED CIRCLES OF ENCODED INFORMATION IN SAID MAGNETIC MATERIAL, EACH DISCRETE MAGNETIZED CIRCLE DENOTING A DENOMINATION UNIT AND THE TOTAL ENCODED CIRCLE DENOTING THE TOTAL DENOMINATION OF SAID STAMP.
Claim 2
Dependent Claim
64 words
A POSTAGE STAMP FOR USE ON MAIL CONTAINING MAGNETICALLY PERMEABLE MATERIAL WHEREIN THE DENOMINATION OF SAID STAMP AND THE DESTINATION INFORMATION FOR SAID MAIL IS ENCODED IN SAID MAGNETIC MATERIAL, SAID DENOMINATION INFORMATION COMPRISING DISCRETE MAGNETIZED CIRCLES OF ENCODED INFORMATION IN SAID MAGNETIC MATERIAL, EACH DISCRETE MAGNETIZED CIRCLE DENOTING A DENOMINATION UNIT AND THE TOTAL ENCODED CIRCLE DENOTING THE TOTAL DENOMINATION OF SAID STAMP.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
US2625265A
Cited
US2612994A
Cited
US2719629A
Cited
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Cited
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Cited
US2950005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |