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US3410516A
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Assignee: MILDRED L CRISWELL
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Filing: 1966-07-29
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Granted: 1968-11-12
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Expires: 1986-07-29
Abstract
No abstract record available.
Inventors
- 👤 Mildred L Criswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:50
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/04; A47B23/042; A47B23/043; A47B23/044; A47B2220/00; A47B2220/0016; A47B2220/0019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2012551A
Cited
US2165255A
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US2373617A
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US2490356A
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US2467190A
Cited
US2726835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |