US2504765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clip
Assignee: Individual
•
Filing: 1943-09-25
•
Granted: 1950-04-18
•
Expires: 1963-09-25
Abstract
No abstract record available.
Inventors
- 👤 Palmenberg Raymond T Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:15
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/0043; A47F5/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US358675A
Cited
GB191018867A
Cited
US1760456A
Cited
US1978087A
Cited
US1899813A
Cited
US2068932A
Cited
US2161464A
Cited
US2176299A
Cited
US2271250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |