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US2993604A
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Assignee: Individual
•
Filing: 1959-05-12
•
Granted: 1961-07-25
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Expires: 1979-05-12
Abstract
No abstract record available.
Inventors
- 👤 Matthew A Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:46
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/105; A47B; A47B87/00; A47B87/02; A47B87/0207; A47B87/0246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB339062A
Cited
FR726522A
Cited
GB459452A
Cited
US2064056A
Cited
US2505509A
Cited
US2681321A
Cited
US2779062A
Cited
US2830660A
Cited
US2917188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |