US2877439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical slide fastener connector
Assignee: Unisys Corp
•
Filing: 1953-09-22
•
Granted: 1959-03-10
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Robert W Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:16
CPC Classifications
H; H01; H01R; H01R9/00; H01R13/00; H01R13/02; H01R13/28; H01H; H01H1/00; H01H1/12; H01H2001/125; Y; Y10; Y10T; Y10T24/00; Y10T24/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR640618A
Cited
GB351500A
Cited
FR712642A
Cited
GB357171A
Cited
US2123513A
Cited
CH200046A
Cited
CH235841A
Cited
US2496925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |