US2743843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
bliss
Assignee: —
•
Filing: —
•
Granted: 1956-05-01
•
Expires: 1973-05-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:54
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/74; B67D7/741; B67D7/742
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1964028A
Cited
US2033255A
Cited
US1985918A
Cited
US2264557A
Cited
US2057226A
Cited
US2414842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |