Patent US3526429A successfully refreshed from Google Patents.
US3526429A
Expired / Lapsed
US
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Chair
Assignee: HAROLD M METZGER
•
Filing: 1968-06-05
•
Granted: 1970-09-01
•
Expires: 1988-06-05
Abstract
No abstract record available.
Inventors
- 👤 Harold M Metzger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:45
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1914473A
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US2036157A
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US2097087A
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US2269834A
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US2482306A
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US2627900A
Cited
US2722967A
Cited
US2785733A
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US2930430A
Cited
US3072435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |