US2674207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable bulkhead
Assignee: Individual
•
Filing: 1950-05-29
•
Granted: 1954-04-06
•
Expires: 1970-05-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Kerbaugh
- 👤 Malcolm D Kerbaugh
- 👤 Paschal W Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:16
CPC Classifications
B; B60; B60P; B60P7/00; B60P7/06; B60P7/135; B60P7/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US199685A
Cited
US1085285A
Cited
US1896198A
Cited
US2155872A
Cited
US2155463A
Cited
US2516527A
Cited
US2501420A
Cited
US2517823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |