US2670615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saucer pad
Assignee: Individual
•
Filing: 1950-10-06
•
Granted: 1954-03-02
•
Expires: 1970-10-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Dworak
- 👤 Rudolph H Busch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:09
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2283; Y; Y10; Y10S; Y10S215/00; Y10S215/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US237137A
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US1359056A
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US1666389A
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US1688992A
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US1960606A
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US2004166A
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FR766912A
Cited
US2041563A
Cited
US2099741A
Cited
US2205687A
Cited
US2276678A
Cited
US2499762A
Cited
US2518368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |