US3529854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-jointing sleeve
Assignee: Federal Mogul Bremsbelag GmbH
•
Filing: 1969-01-21
•
Granted: 1970-09-22
•
Expires: 1989-01-21
Abstract
No abstract record available.
Inventors
- 👤 Carl A Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:15
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/002; F16L21/005; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412
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) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |