Patent US2575841A successfully refreshed from Google Patents.
US2575841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying cap
Assignee: Apa Prospekt A G
•
Filing: 1948-12-11
•
Granted: 1951-11-20
•
Expires: 1968-12-11
Abstract
No abstract record available.
Inventors
- 👤 Rosli Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:38
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/18; B; B24; B24D; B24D15/00; B24D15/06; B24D15/066
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1790283A
Cited
US1685345A
Cited
DE498687C
Cited
US2266653A
Cited
US2440157A
Cited
US2466915A
Cited
US2474165A
Cited
US2488227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |