Patent US3515423A successfully refreshed from Google Patents.
US3515423A
Expired / Lapsed
US
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Locking device for enclosure for switches and the like
Assignee: Allen Bradley Co LLC
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Filing: 1968-05-09
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Granted: 1970-06-02
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Expires: 1988-05-09
Abstract
No abstract record available.
Inventors
- 👤 Woodrow A De Smidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:29
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/14; F; F16; F16B; F16B41/00; F16B41/005; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1086; Y10T292/20; Y10T292/218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |