Patent US3054004A successfully refreshed from Google Patents.
US3054004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric crystal holder
Assignee: Vitro Corp of America
•
Filing: 1957-06-24
•
Granted: 1962-09-11
•
Expires: 1977-06-24
Abstract
No abstract record available.
Inventors
- 👤 John B Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:15
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0644; B06B1/0662
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2759241A
Cited
US2159891A
Cited
US2392429A
Cited
US2463472A
Cited
US2502970A
Cited
US2507770A
Cited
US2677064A
Cited
US2787520A
Cited
US2848890A
Cited
US2802955A
Cited
US2817778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |