US2838197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knock-down receptacles
Assignee: WOLFF APPLIANCE CORP
•
Filing: 1955-08-17
•
Granted: 1958-06-10
•
Expires: 1975-08-17
Abstract
No abstract record available.
Inventors
- 👤 Saul K Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:34
CPC Classifications
B; B65; B65D; B65D7/00; B65D7/12; B65D7/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397301A
Cited
US1220621A
Cited
US1731747A
Cited
US2187403A
Cited
GB653689A
Cited
US2591104A
Cited
GB655099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |