Patent US3054341A successfully refreshed from Google Patents.
US3054341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film holder
Assignee: WESTRIP LAB Inc
•
Filing: 1960-08-29
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Granted: 1962-09-18
•
Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 John R Wolber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:27
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/08; G03D13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194321A
Cited
GB190723973A
Cited
GB191212804A
Cited
FR524251A
Cited
DE405552C
Cited
US1859131A
Cited
US3005396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |