Patent CH247639A successfully refreshed from Google Patents.
Patent US2973028A successfully refreshed from Google Patents.
US2973028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desk or table attachment for folding chairs
Assignee: Individual
•
Filing: 1958-07-03
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Granted: 1961-02-28
•
Expires: 1978-07-03
Abstract
No abstract record available.
Inventors
- 👤 Carmine S Celeste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:50
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/62; A47C7/68; A47C7/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US547830A
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US1227516A
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US1448118A
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US1886217A
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FR851834A
Cited
US2480876A
Cited
US2436045A
Cited
US2584179A
Cited
US2487536A
Cited
US2703426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |