Patent US2871749A successfully refreshed from Google Patents.
US2871749A
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Blind fastener having locking stem retained in head by cammed lock washer
Assignee: Individual
•
Filing: 1955-05-25
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Granted: 1959-02-03
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Expires: 1975-05-25
Abstract
No abstract record available.
Inventors
- 👤 Kalb Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:24
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081; F16B13/00; F16B13/12; F16B13/124; F16B35/00; F16B35/04; F16B39/00; F16B39/02; F16B39/023; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US547988A
Cited
US1308672A
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US1400387A
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US1598165A
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US1720799A
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US2378071A
Cited
US2479075A
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GB682820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |