Patent US4268657A successfully refreshed from Google Patents.
Patent US3510065A successfully refreshed from Google Patents.
US3510065A
Expired / Lapsed
US
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Descaling nozzle
Assignee: STEINEN Manufacturing CO WM
•
Filing: 1968-01-05
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Granted: 1970-05-05
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Expires: 1988-01-05
Abstract
No abstract record available.
Inventors
- 👤 Leonard D Gigantino
- 👤 Otto M Gigantino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:36
CPC Classifications
B; B21; B21B; B21B45/00; B21B45/04; B21B45/08; B05; B05B; B05B15/00; B05B15/60; B05B15/65; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4533; Y10T29/4544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US259667A
Cited
US1919027A
Cited
US2755137A
Cited
US2862828A
Cited
US3111179A
Cited
US3273805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |