US3023628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact tool
Assignee: Individual
•
Filing: 1960-08-01
•
Granted: 1962-03-06
•
Expires: 1980-08-01
Abstract
No abstract record available.
Inventors
- 👤 Leander J Heppner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
B; B25; B25D; B25D11/00; B25D11/06; B25D11/10; B25D17/00; B25D17/24; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/18056; Y10T74/18248; Y10T74/18256; Y10T74/18296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1015732A
Cited
US1040424A
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US2453136A
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US2458929A
Cited
US2794621A
Cited
US2764188A
Cited
US2724573A
Cited
US2884842A
Cited
US2780106A
Cited
US2916117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |