US2787303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washer dispenser and power screwdriver assembly
Assignee: AT&T Inc
•
Filing: 1954-10-04
•
Granted: 1957-04-02
•
Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Fred T Coder
- 👤 Henry W Schaufelberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:36
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478; Y10T29/53687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1058654A
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US1203554A
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US1624189A
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US1839490A
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US1958248A
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US1991467A
Cited
US2507047A
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US2628646A
Cited
US2599283A
Cited
US2681668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |