US3548627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Riveting tools
Assignee: Emhart Enterprises Corp
•
Filing: 1968-06-20
•
Granted: 1970-12-22
•
Expires: 1988-06-20
Abstract
No abstract record available.
Inventors
- 👤 James N Henshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:22
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/02; B21J15/04; B21J15/043; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53726; Y10T29/5373; Y10T29/53757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1829696A
Cited
FR866573A
Cited
US2399442A
Cited
GB606825A
Cited
GB776929A
Cited
US3363445A
Cited
US3328985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |