US3479567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular electrical switch and fuse box having means for connecting to like boxes
Assignee: Pennsylvania Sewing Research Corp
•
Filing: 1968-10-23
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Granted: 1969-11-18
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Expires: 1988-10-23
Abstract
No abstract record available.
Inventors
- 👤 Aaron Glassman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:08
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/10; H02; H02B; H02B1/00; H02B1/26; H02B1/40; H02B1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2625591A
Cited
US3122681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |