US3385293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closed circuit breathing apparatus
Assignee: Siebe Gorman and Co Ltd
•
Filing: 1965-06-21
•
Granted: 1968-05-28
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Phillips Lewis Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:06
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/003; A61; A61M; A61M16/00; A61M16/06; A62B7/00; A62B7/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |