US2877815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canting holddown clamp
Assignee: Hold Corp
•
Filing: 1955-05-23
•
Granted: 1959-03-17
•
Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 William A Fonken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:44
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/102; B25B5/16; B25B5/166
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US142697A
Cited
US457363A
Cited
DE278666C
Cited
US2603325A
Cited
US1954708A
Cited
US2147800A
Cited
GB547992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |