US2633626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making anchors
Assignee: ROBERT H ECKHOFF
•
Filing: 1950-05-18
•
Granted: 1953-04-07
•
Expires: 1970-05-18
Abstract
No abstract record available.
Inventors
- 👤 Richard S Danforth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:11
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/24; B63B21/38; B63B21/44; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625; Y10T29/49789; Y10T29/49794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2207952A
Cited
US2510867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |