US2980938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container cleaning machine
Assignee: Pneumatic Scale Corp
•
Filing: 1956-05-17
•
Granted: 1961-04-25
•
Expires: 1976-05-17
Abstract
No abstract record available.
Inventors
- 👤 James P Whelan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:33
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/08; B08B9/20; B08B9/28; B08B9/34; B08B9/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1568594A
Cited
US2298475A
Cited
US2634737A
Cited
US2524797A
Cited
US2568949A
Cited
US2725641A
Cited
US2698624A
Cited
US2644188A
Cited
US2783765A
Cited
US2851383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |