US3503192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment apparatus
Assignee: HAROLD B BERG
•
Filing: 1967-10-11
•
Granted: 1970-03-31
•
Expires: 1987-10-11
Abstract
No abstract record available.
Inventors
- 👤 Harold B Berg
- 👤 Edward R Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:32
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/06; A01D43/063; A01D2101/00; A01D34/00; A01D34/01; A01D34/412; A01D34/63
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |