US3429351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock screw construction
Assignee: Individual
•
Filing: 1966-10-14
•
Granted: 1969-02-25
•
Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Emil Szalanczy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:56
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/04; F16B13/08; F16B13/0825; F16B35/00; F16B39/00; F16B39/22; F16B13/0891; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/954
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA467596A
Cited
US2281164A
Cited
US2549823A
Cited
US2726524A
Cited
CH334413A
Cited
US3203460A
Cited
US3352343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |