US3414236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand rail
Assignee: Kenron Aluminum & Glass Corp
•
Filing: 1966-08-18
•
Granted: 1968-12-03
•
Expires: 1986-08-18
Abstract
No abstract record available.
Inventors
- 👤 Burton L Siegal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:34
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE570548A
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US2808233A
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US2873095A
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US2870996A
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US3009548A
Cited
CH389876A
Cited
US3057991A
Cited
GB964048A
Cited
US3258251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |