US3075487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a sealed electrical box
Assignee: Individual
•
Filing: 1958-05-05
•
Granted: 1963-01-29
•
Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur I Appleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:26
CPC Classifications
B; B21; B21D; B21D51/00; H; H01; H01H; H01H9/00; H01H9/02; H01H9/04; H01H9/042; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732090A
Cited
US1448005A
Cited
GB402489A
Cited
US2356457A
Cited
US2357754A
Cited
US2479047A
Cited
US2454244A
Cited
US2544266A
Cited
GB663000A
Cited
US2682863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |