Patent US2716410A successfully refreshed from Google Patents.
US2716410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filing mechanism
Assignee: Individual
•
Filing: 1952-06-18
•
Granted: 1955-08-30
•
Expires: 1972-06-18
Abstract
No abstract record available.
Inventors
- 👤 Stephen J O'hara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:44
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US561670A
Cited
DE492881C
Cited
GB175231A
Cited
US1695322A
Cited
US1845700A
Cited
US2116078A
Cited
US2087518A
Cited
US2220189A
Cited
GB588259A
Cited
GB643124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |