US3455013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of flexible couplings
Assignee: ALDEN G RAYBURN
•
Filing: 1964-10-28
•
Granted: 1969-07-15
•
Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Alden G Rayburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:00
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF PRODUCING A FLEXIBLE HOLLOW METAL COUPLING COMPRISING; THE STEPS OF PROVIDING A THICK-WALLED INTERNALLY BORED STOCK; FORMING A SERIES OF ALTERNATE RELATIVELY DEEP AND SHALLOW ANNULAR GROOVES IN THE OUTER PERIPHERY OF SAID STOCK; BENDING THE OUTER EGES OF ADJACENT SIDE WALLS OF SAID DEEP GROOVES TOWARD EACH OTHER; WELDING SAID WALLS TO EACH OTHER AT THEIR OUTER PERIPHERY; AND INCREASING THE DIAMETER OF SAID INTERNALLY BORE TO CAUSE SAID DEEP GROOVES TO CIRCUMFERENTIALLY COMMUNICATE WITH SAID INTERNAL BORE.
Claim 2
Independent Claim
82 words
THE METHOD OF PRODUCING A FLEXIBLE HOLLOW METAL COUPLING COMPRISING; THE STEPS OF PROVIDING A THICK-WALLED INTERNALLY BORED STOCK; FORMING A SERIES OF ALTERNATE RELATIVELY DEEP AND SHALLOW ANNULAR GROOVES IN THE OUTER PERIPHERY OF SAID STOCK; BENDING THE OUTER EGES OF ADJACENT SIDE WALLS OF SAID DEEP GROOVES TOWARD EACH OTHER; WELDING SAID WALLS TO EACH OTHER AT THEIR OUTER PERIPHERY; AND INCREASING THE DIAMETER OF SAID INTERNALLY BORE TO CAUSE SAID DEEP GROOVES TO CIRCUMFERENTIALLY COMMUNICATE WITH SAID INTERNAL BORE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |