US3368847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable self-locking joints
Assignee: ZEALAND ENGINEERING Co LT
•
Filing: 1966-08-29
•
Granted: 1968-02-13
•
Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 Langmead Peter Norma Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:14
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/026; A47C20/00; A47C20/04; A47C20/043; A47C20/045; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US773720A
Cited
US2911245A
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US2989311A
Cited
CH364596A
Cited
US2959206A
Cited
DE1148050B
Cited
US3232136A
Cited
US3304107A
Cited
DE1216130B
Cited
US3299466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |