US2766840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration absorber
Assignee: Webster Electric Co Inc
•
Filing: 1951-04-21
•
Granted: 1956-10-16
•
Expires: 1971-04-21
Abstract
No abstract record available.
Inventors
- 👤 David J Munroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:35
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/02; F16L55/033
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE308866C
Cited
NL58537C
Cited
US734749A
Cited
AT50870B
Cited
US1003620A
Cited
US1229434A
Cited
US1402896A
Cited
US1608245A
Cited
US1658349A
Cited
US1825465A
Cited
US1927947A
Cited
US1975483A
Cited
US2553539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |