Patent US3501117A successfully refreshed from Google Patents.
US3501117A
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Assignee: Illinois Tool Works Inc
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Filing: 1968-05-31
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Granted: 1970-03-17
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Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 Edmund John Soltysik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:08
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/12; F16L3/13; F16L3/22; F16L3/221; F16L3/23; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/3444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2166916A
Cited
US2267586A
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US2819858A
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US2972461A
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US3066903A
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US3430904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |