US3499710A
Expired / Lapsed
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Assignee: MIDWESTERN SECURITIES CORP
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Filing: 1967-02-21
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Granted: 1970-03-10
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Expires: 1987-02-21
Abstract
No abstract record available.
Inventors
- 👤 Lloyd W Sahley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:18
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/625; G03B27/6264; B; B41; B41L; B41L21/00; B65; B65H; B65H29/00; B65H3/00; B65H3/02; B65H3/06; B65H3/063; B65H43/00; B65H5/00; B65H7/00
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) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |