US3538801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stamp vending machine
Assignee: SINGER DATA PRODUCTS Inc 790 MAPLE LANE BENSENVILLE ILLINOIS A TX CORP
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Filing: 1968-03-27
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Granted: 1970-11-10
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Expires: 1988-03-27
Abstract
No abstract record available.
Inventors
- 👤 Charles H Flubacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:14
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/42; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2174; Y10T83/444; Y10T83/4443; Y10T83/4448; Y10T83/4539; Y10T83/4541; Y10T83/4544; Y10T83/4597; Y10T83/4599; Y10T83/889; Y10T83/896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |