Patent US2987151A successfully refreshed from Google Patents.
US2987151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible flat-lying handle
Assignee: PHILADELPHIA BRIEF CASE Co
•
Filing: 1959-09-14
•
Granted: 1961-06-06
•
Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 Roland W Frambes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:31
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |