US3177284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pre-cast slab and electrical conduit elbow fitting
Assignee: FLEXIFLOR ELECTRICAL SYSTEMS Inc
•
Filing: 1962-11-14
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Granted: 1965-04-06
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Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 John K Stuessel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:57
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/0025; H; H02; H02G; H02G3/00; H02G3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US611442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |