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Patent US3513741A successfully refreshed from Google Patents.
US3513741A
Expired / Lapsed
US
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Electronic stock measurement apparatus
Assignee: Servicemaster Industries Systems Co
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Filing: 1967-11-20
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Granted: 1970-05-26
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Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Shallenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:14
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/006; B21; B21D; B21D43/00; B21D43/006; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4458; Y10T83/446; Y10T83/463; Y10T83/4635; Y10T83/525; Y10T83/533; Y10T83/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |