US3457564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head harness
Assignee: Automatic Sprinkler Corp
•
Filing: 1967-07-21
•
Granted: 1969-07-29
•
Expires: 1987-07-21
Abstract
No abstract record available.
Inventors
- 👤 Robert L Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:23
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08; A62B18/084; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB273435A
Cited
US2199690A
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 |