US2616327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Diamond Expansion Bolt Co Inc
•
Filing: 1950-06-28
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Granted: 1952-11-04
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Expires: 1970-06-28
Abstract
No abstract record available.
Inventors
- 👤 Karitzky John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:03
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/08; F16B13/0808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1224698A
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US1228512A
Cited
US1396278A
Cited
US1643592A
Cited
US1956623A
Cited
US2061634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |