US3143264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luggage carriers
Assignee: Individual
•
Filing: 1962-04-30
•
Granted: 1964-08-04
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Charles R Spero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:32
CPC Classifications
B; B60; B60R; B60R9/00; B60R9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US163928A
Cited
US1505854A
Cited
US2423253A
Cited
US2594319A
Cited
US2809008A
Cited
US2788929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |