US3621691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyholder
Assignee: Individual
•
Filing: 1970-04-20
•
Granted: 1971-11-23
•
Expires: 1990-04-20
Abstract
Abstract AN EASILY FABRICATED, LOW COST KEYHOLDER ESPECIALLY USE FUL AS A PROMOTIONAL, GIVE-AWAY ITEM COMPRISING A PLASTIC BODY HOUSING, A LOOP WIRE KEY RETAINER PIVOTALLY MOUNTED THEREIN AND BEING CAPABLE OF BEING POSITIONED INTO THE OPEN OR LOCKED POSITION BY SIMPLE PIVOTAL MOVEMENT.
Inventors
- 👤 Norbert Leopoldi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:05
CPC Classifications
A; A44; A44B; A44B15/00; F; F16; F16B; F16B45/00; F16B45/02; F16B45/034; F16B45/037; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |