US3487533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of driving fastening elements into solid material covered by a compressible material
Assignee: Hilti AG
•
Filing: 1967-10-18
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Granted: 1970-01-06
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Expires: 1987-10-18
Abstract
No abstract record available.
Inventors
- 👤 Gosta S Strom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:22
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/18; E; E04; E04F; E04F21/00; E04F21/18; E04F21/1838; E04F21/1844; E04F21/1861; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49885; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563479A
Cited
US1671080A
Cited
GB344088A
Cited
DE758559C
Cited
US2313325A
Cited
US2999571A
Cited
US3133378A
Cited
US3073066A
Cited
US3095777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |