Patent US2805530A successfully refreshed from Google Patents.
US2805530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finishing apparatus
Assignee: Schaffner Manufacturing Co Inc
•
Filing: 1955-06-30
•
Granted: 1957-09-10
•
Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Paul E Schaffner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:06
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US334671A
Cited
US1374018A
Cited
US1435721A
Cited
US1404620A
Cited
US1697442A
Cited
US2034576A
Cited
US2209089A
Cited
US2459055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |