US2942625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-end protectors
Assignee: Individual
•
Filing: 1956-02-27
•
Granted: 1960-06-28
•
Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 Frank E Costanzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:18
CPC Classifications
B; B65; B65D; B65D59/00; B65D59/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US777609A
Cited
US808567A
Cited
US835673A
Cited
US1687004A
Cited
GB270197A
Cited
US1867677A
Cited
US1997291A
Cited
US2230987A
Cited
US2078835A
Cited
US2075243A
Cited
US2179864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |