US3029560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building clip
Assignee: Individual
•
Filing: 1954-12-06
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Granted: 1962-04-17
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Expires: 1974-12-06
Abstract
No abstract record available.
Inventors
- 👤 John B Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:08
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2467637A
Cited
US2648103A
Cited
US2648104A
Cited
US2740166A
Cited
US2659323A
Cited
US2754551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |