US2534019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable frame for trampolins, beds, or the like
Assignee: Individual
•
Filing: 1946-04-05
•
Granted: 1950-12-12
•
Expires: 1966-04-05
Abstract
No abstract record available.
Inventors
- 👤 Laurence V Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
A; A63; A63B; A63B5/00; A63B5/11; A47; A47C; A47C17/00; A47C17/64; A47C17/68; A63B71/00; A63B71/0036; A63B71/02; A63B71/023; A63B2071/025; A63B21/00; A63B21/02; A63B21/023; A63B21/055; A63B21/0552; A63B2210/00; A63B2210/50
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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |