US3457647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe-size indicating apparatus
Assignee: SIDNEY L BLIVICE
•
Filing: 1966-10-05
•
Granted: 1969-07-29
•
Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 David J Cohen
- 👤 Sidney L Blivice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:54
CPC Classifications
A; A43; A43D; A43D1/00; A43D1/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2251825A
Cited
US2630043A
Cited
US2975519A
Cited
US3032880A
Cited
US3192627A
Cited
US3328882A
Cited
US3277779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |