US2877544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of locating and replacing defective components of encapsulated electrical assemblies
Assignee: AT&T Inc
•
Filing: 1954-08-30
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Granted: 1959-03-17
•
Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Walter A Gammel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:56
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/22; H05K3/28; H05K3/288; H05K7/00; H05K7/005; Y; Y10; Y10S; Y10S29/00; Y10S29/029; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49131; Y10T29/49146; Y10T29/49718; Y10T29/49721; Y10T29/4973; Y10T29/49764; Y10T29/49771; Y10T29/49778; Y10T29/4978
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |