US2845877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crane
Assignee: Manning Maxwell and Moore Inc
•
Filing: 1955-11-02
•
Granted: 1958-08-05
•
Expires: 1975-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richter Walter Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:20
CPC Classifications
B; B66; B66C; B66C7/00; B66C2700/00; B66C2700/01; B66C2700/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2416352A
Cited
US953448A
Cited
US951214A
Cited
US1053545A
Cited
US1150003A
Cited
US1413918A
Cited
US1390981A
Cited
US1553439A
Cited
US1752076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |