Patent US3060541A successfully refreshed from Google Patents.
US3060541A
Expired / Lapsed
US
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Waler clamp assembly
Assignee: Superior Concrete Accessories Inc
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Filing: 1960-03-07
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Granted: 1962-10-30
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Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Hillberg Bror
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:36
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/07; E04G17/0707; E04G17/0721; Y; Y10; Y10S; Y10S425/00; Y10S425/129
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH146072A
Cited
US2217278A
Cited
US2273198A
Cited
US2632228A
Cited
US2711002A
Cited
US2902744A
Cited
US2967689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |