US2884842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Post hole tamper
Assignee: Individual
•
Filing: 1954-11-03
•
Granted: 1959-05-05
•
Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Richard P Schmitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:21
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/30; E01C19/34; E01C19/35; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/074; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US875940A
Cited
US1537358A
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AU14526A
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US1679884A
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US2004083A
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US2017470A
Cited
US2124024A
Cited
US2215455A
Cited
US2226559A
Cited
US2175846A
Cited
US2342601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |