US2846748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction forms
Assignee: BINGHAMTON METAL FORMS Inc
•
Filing: 1955-02-21
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Granted: 1958-08-12
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Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Leroy E Owen
- 👤 Richard C Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:59
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/50; E01C19/502; E04; E04G; E04G11/00; E04G11/06; E04G11/062; E04G11/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |