US2977928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistor tape sprayer
Assignee: Illinois Tool Works Inc
•
Filing: 1958-08-15
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Granted: 1961-04-04
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Expires: 1978-08-15
Abstract
No abstract record available.
Inventors
- 👤 Wallace N Knutsen
- 👤 Jr James G Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:30
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/24; B; B05; B05B; B05B13/00; B05B13/02; B05B13/04; B05B13/0442; H01C; H01C17/00; H01C17/06; H01C17/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |