US3258797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluteless swaging tap
Assignee: BREMER Manufacturing CO
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Filing: 1964-11-06
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Granted: 1966-07-05
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Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Alfred N Budd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:55
CPC Classifications
F; F16; F16B; F16B25/00; F16B25/0036; F16B25/0042; F16B25/0047; B; B21; B21H; B21H3/00; B21H3/10; B23; B23G; B23G7/00; B23G7/02; F16B25/001; F16B25/0021; F16B25/0057; F16B25/0078; F16B35/00; F16B35/04; F16B35/041; Y; Y10; Y10T; Y10T408/00; Y10T408/34; Y10T408/352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
APPARATUS FOR SWAGING THREADS, COMPRISING A THREADFORMING TOOL HAVING A CONTINUOUSLY THREADED BODY, SAID THREADED BODY BEING DIVIDED INTO A LEADING PORTION AND A TRAILING PORTION, SAID LEADING PORTION HAVING DOUBLE THE NUMBER OF THREADS PER INCH AS THE THREAD PER INCH OF SAID TRAILING PORTION, THE HELIX ANGLE OF SAID THREADS BEING SUBSTANTIALLY UNIFORM THROUGHOUT SAID BODY.
Claim 2
Dependent Claim
58 words
APPARATUS FOR SWAGING THREADS, COMPRISING A THREADFORMING TOOL HAVING A CONTINUOUSLY THREADED BODY, SAID THREADED BODY BEING DIVIDED INTO A LEADING PORTION AND A TRAILING PORTION, SAID LEADING PORTION HAVING DOUBLE THE NUMBER OF THREADS PER INCH AS THE THREAD PER INCH OF SAID TRAILING PORTION, THE HELIX ANGLE OF SAID THREADS BEING SUBSTANTIALLY UNIFORM THROUGHOUT SAID BODY.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |