US3458135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headbox shower apparatus
Assignee: Pressure Systems Inc
•
Filing: 1967-10-10
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Granted: 1969-07-29
•
Expires: 1987-10-10
Abstract
No abstract record available.
Inventors
- 👤 John Alden Beals
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:57
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/0202; D; D21; D21F; D21F1/00; D21F1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1762356A
Cited
US2700576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |