US2853875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indenter bond test
Assignee: Van Der Horst Corp of America
•
Filing: 1955-11-01
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Granted: 1958-09-30
•
Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Alderuccio Carmelo Lee
- 👤 Chessin Hyman
- 👤 William G Heinrich
- 👤 John G Poor
- 👤 Leigh L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:28
CPC Classifications
G; G01; G01N; G01N19/00; G01N19/04; G01N2203/00; G01N2203/0058; G01N2203/0076; G01N2203/0078; G01N2203/008; G01N2203/02; G01N2203/06; G01N2203/0641; G01N2203/0647
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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |