Patent US3472489A successfully refreshed from Google Patents.
US3472489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baluster jackets
Assignee: Individual
•
Filing: 1968-06-05
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Granted: 1969-10-14
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Expires: 1988-06-05
Abstract
No abstract record available.
Inventors
- 👤 Jack Baylin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:35
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1842
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752996A
Cited
US1411234A
Cited
US1579136A
Cited
GB746635A
Cited
US2904314A
Cited
US2969955A
Cited
US3077923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |