US3117757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easel-type mount
Assignee: Winthrop Atkins Co Inc
•
Filing: 1960-12-12
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Granted: 1964-01-14
•
Expires: 1980-12-12
Abstract
No abstract record available.
Inventors
- 👤 George H Sampson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:47
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; G09F1/14; A; A47; A47B; A47B23/00; A47B23/04; A47B23/042; A47B23/043; A47B23/044; B; B42; B42D; B42D17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1950223A
Cited
US2553174A
Cited
US2601029A
Cited
US2825516A
Cited
US2916236A
Cited
US3002720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |