US2690634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging machine
Assignee: KETCHPEL ENGINEERING Co
•
Filing: 1948-11-29
•
Granted: 1954-10-05
•
Expires: 1968-11-29
Abstract
No abstract record available.
Inventors
- 👤 Paul A Ketchpel
- 👤 Egli Herman Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/10; B65B1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US518427A
Cited
US646355A
Cited
US1499338A
Cited
GB252090A
Cited
US2115464A
Cited
US2127726A
Cited
US2330862A
Cited
US2541742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |