US3383708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ankle guard
Assignee: DONNA M PAPPAS
•
Filing: 1965-01-21
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Granted: 1968-05-21
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Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Donna M Pappas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:43
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/06; A61F13/064; A61F13/066; A63; A63B; A63B71/00; A63B71/08; A63B71/12; A63B71/1225; A63B2071/1275; Y; Y10; Y10S; Y10S128/00; Y10S128/15; Y10S2/00; Y10S2/908; Y10S2/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US672146A
Cited
US2078550A
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US2104369A
Cited
US2784411A
Cited
US3128565A
Cited
US3104479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |